212773275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 475282080

約数和(自身を除く): 262508805

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 33, 39, 45, 51, 55, 65, 75, 85, 99, 117, 143, 153, 165, 187, 195, 221, 225, 255, 275, 325, 389, 425, 429, 495, 561, 585, 663, 715, 765, 825, 935, 975, 1105, 1167, 1275, 1287, 1683, 1945, 1989, 2145, 2431, 2475, 2805, 2925, 3315, 3501, 3575, 3825, 4279, 4675, 5057, 5525, 5835, 6435, 6613, 7293, 8415, 9725, 9945, 10725, 12155, 12837, 14025, 15171, 16575, 17505, 19839, 21395, 21879, 25285, 29175, 32175, 33065, 36465, 38511, 42075, 45513, 49725, 55627, 59517, 60775, 64185, 72743, 75855, 85969, 87525, 99195, 106975, 109395, 126425, 165325, 166881, 182325, 192555, 218229, 227565, 257907, 278135, 297585, 320925, 363715, 379275, 429845, 495975, 500643, 546975, 654687, 773721, 834405, 945659, 962775, 1091145, 1137825, 1289535, 1390675, 1487925, 1818575, 2149225, 2503215, 2836977, 3273435, 3868605, 4172025, 4728295, 5455725, 6447675, 8510931, 12516075, 14184885, 16367175, 19343025, 23641475, 42554655, 70924425, 212773275]

約数ペア:

[(1, 212773275), (3, 70924425), (5, 42554655), (9, 23641475), (11, 19343025), (13, 16367175), (15, 14184885), (17, 12516075), (25, 8510931), (33, 6447675), (39, 5455725), (45, 4728295), (51, 4172025), (55, 3868605), (65, 3273435), (75, 2836977), (85, 2503215), (99, 2149225), (117, 1818575), (143, 1487925), (153, 1390675), (165, 1289535), (187, 1137825), (195, 1091145), (221, 962775), (225, 945659), (255, 834405), (275, 773721), (325, 654687), (389, 546975), (425, 500643), (429, 495975), (495, 429845), (561, 379275), (585, 363715), (663, 320925), (715, 297585), (765, 278135), (825, 257907), (935, 227565), (975, 218229), (1105, 192555), (1167, 182325), (1275, 166881), (1287, 165325), (1683, 126425), (1945, 109395), (1989, 106975), (2145, 99195), (2431, 87525), (2475, 85969), (2805, 75855), (2925, 72743), (3315, 64185), (3501, 60775), (3575, 59517), (3825, 55627), (4279, 49725), (4675, 45513), (5057, 42075), (5525, 38511), (5835, 36465), (6435, 33065), (6613, 32175), (7293, 29175), (8415, 25285), (9725, 21879), (9945, 21395), (10725, 19839), (12155, 17505), (12837, 16575), (14025, 15171)]