20171176875

素因数分解:

$3^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{12853}}^1$

素因数の和:12916

約数の個数: 100

約数和(自身を含む): 38870907328

約数和(自身を除く): 18699730453

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 125, 135, 155, 225, 279, 375, 405, 465, 625, 675, 775, 837, 1125, 1395, 1875, 2025, 2325, 2511, 3375, 3875, 4185, 5625, 6975, 10125, 11625, 12555, 12853, 16875, 19375, 20925, 34875, 38559, 50625, 58125, 62775, 64265, 104625, 115677, 174375, 192795, 313875, 321325, 347031, 398443, 523125, 578385, 963975, 1041093, 1195329, 1569375, 1606625, 1735155, 1992215, 2891925, 3585987, 4819875, 5205465, 5976645, 8033125, 8675775, 9961075, 10757961, 14459625, 17929935, 24099375, 26027325, 29883225, 32273883, 43378875, 49805375, 53789805, 72298125, 89649675, 130136625, 149416125, 161369415, 216894375, 249026875, 268949025, 448248375, 650683125, 747080625, 806847075, 1344745125, 2241241875, 4034235375, 6723725625, 20171176875]

約数ペア:

[(1, 20171176875), (3, 6723725625), (5, 4034235375), (9, 2241241875), (15, 1344745125), (25, 806847075), (27, 747080625), (31, 650683125), (45, 448248375), (75, 268949025), (81, 249026875), (93, 216894375), (125, 161369415), (135, 149416125), (155, 130136625), (225, 89649675), (279, 72298125), (375, 53789805), (405, 49805375), (465, 43378875), (625, 32273883), (675, 29883225), (775, 26027325), (837, 24099375), (1125, 17929935), (1395, 14459625), (1875, 10757961), (2025, 9961075), (2325, 8675775), (2511, 8033125), (3375, 5976645), (3875, 5205465), (4185, 4819875), (5625, 3585987), (6975, 2891925), (10125, 1992215), (11625, 1735155), (12555, 1606625), (12853, 1569375), (16875, 1195329), (19375, 1041093), (20925, 963975), (34875, 578385), (38559, 523125), (50625, 398443), (58125, 347031), (62775, 321325), (64265, 313875), (104625, 192795), (115677, 174375)]