201606721875

素因数分解:

$3^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 408757212864

約数和(自身を除く): 207150490989

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 197, 225, 311, 325, 351, 375, 405, 585, 591, 625, 675, 933, 975, 985, 1053, 1125, 1555, 1625, 1755, 1773, 1875, 2025, 2561, 2799, 2925, 2955, 3125, 3375, 4043, 4665, 4875, 4925, 5265, 5319, 5625, 7683, 7775, 8125, 8397, 8775, 8865, 9375, 10125, 12129, 12805, 13995, 14625, 14775, 15957, 16875, 20215, 23049, 23325, 24375, 24625, 25191, 26325, 26595, 28125, 36387, 38415, 38875, 40625, 41985, 43875, 44325, 50625, 60645, 61267, 64025, 69147, 69975, 73125, 73875, 79785, 84375, 101075, 109161, 115245, 116625, 121875, 123125, 125955, 131625, 132975, 181935, 183801, 192075, 194375, 207441, 209925, 219375, 221625, 253125, 303225, 306335, 320125, 327483, 345735, 349875, 365625, 369375, 398925, 505375, 545805, 551403, 576225, 583125, 615625, 629775, 658125, 664875, 796471, 909675, 919005, 960375, 971875, 1037205, 1049625, 1096875, 1108125, 1516125, 1531675, 1600625, 1637415, 1654209, 1728675, 1749375, 1846875, 1994625, 2389413, 2526875, 2729025, 2757015, 2881125, 2915625, 3148875, 3290625, 3324375, 3982355, 4548375, 4595025, 4801875, 4962627, 5186025, 5248125, 5540625, 7168239, 7580625, 7658375, 8003125, 8187075, 8271045, 8643375, 8746875, 9973125, 11947065, 12634375, 13645125, 13785075, 14405625, 15744375, 16621875, 19911775, 21504717, 22741875, 22975125, 24009375, 24813135, 25930125, 26240625, 35841195, 37903125, 38291875, 40935375, 41355225, 43216875, 49865625, 59735325, 64514151, 68225625, 68925375, 72028125, 78721875, 99558875, 107523585, 113709375, 114875625, 124065675, 129650625, 179205975, 191459375, 204676875, 206776125, 216084375, 298676625, 322570755, 341128125, 344626875, 497794375, 537617925, 574378125, 620328375, 648253125, 896029875, 1023384375, 1033880625, 1493383125, 1612853775, 1723134375, 2488971875, 2688089625, 3101641875, 4480149375, 5169403125, 7466915625, 8064268875, 13440448125, 15508209375, 22400746875, 40321344375, 67202240625, 201606721875]

約数ペア:

[(1, 201606721875), (3, 67202240625), (5, 40321344375), (9, 22400746875), (13, 15508209375), (15, 13440448125), (25, 8064268875), (27, 7466915625), (39, 5169403125), (45, 4480149375), (65, 3101641875), (75, 2688089625), (81, 2488971875), (117, 1723134375), (125, 1612853775), (135, 1493383125), (195, 1033880625), (197, 1023384375), (225, 896029875), (311, 648253125), (325, 620328375), (351, 574378125), (375, 537617925), (405, 497794375), (585, 344626875), (591, 341128125), (625, 322570755), (675, 298676625), (933, 216084375), (975, 206776125), (985, 204676875), (1053, 191459375), (1125, 179205975), (1555, 129650625), (1625, 124065675), (1755, 114875625), (1773, 113709375), (1875, 107523585), (2025, 99558875), (2561, 78721875), (2799, 72028125), (2925, 68925375), (2955, 68225625), (3125, 64514151), (3375, 59735325), (4043, 49865625), (4665, 43216875), (4875, 41355225), (4925, 40935375), (5265, 38291875), (5319, 37903125), (5625, 35841195), (7683, 26240625), (7775, 25930125), (8125, 24813135), (8397, 24009375), (8775, 22975125), (8865, 22741875), (9375, 21504717), (10125, 19911775), (12129, 16621875), (12805, 15744375), (13995, 14405625), (14625, 13785075), (14775, 13645125), (15957, 12634375), (16875, 11947065), (20215, 9973125), (23049, 8746875), (23325, 8643375), (24375, 8271045), (24625, 8187075), (25191, 8003125), (26325, 7658375), (26595, 7580625), (28125, 7168239), (36387, 5540625), (38415, 5248125), (38875, 5186025), (40625, 4962627), (41985, 4801875), (43875, 4595025), (44325, 4548375), (50625, 3982355), (60645, 3324375), (61267, 3290625), (64025, 3148875), (69147, 2915625), (69975, 2881125), (73125, 2757015), (73875, 2729025), (79785, 2526875), (84375, 2389413), (101075, 1994625), (109161, 1846875), (115245, 1749375), (116625, 1728675), (121875, 1654209), (123125, 1637415), (125955, 1600625), (131625, 1531675), (132975, 1516125), (181935, 1108125), (183801, 1096875), (192075, 1049625), (194375, 1037205), (207441, 971875), (209925, 960375), (219375, 919005), (221625, 909675), (253125, 796471), (303225, 664875), (306335, 658125), (320125, 629775), (327483, 615625), (345735, 583125), (349875, 576225), (365625, 551403), (369375, 545805), (398925, 505375)]