7871175

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 90

約数和(自身を含む): 16474392

約数和(自身を除く): 8603217

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 81, 115, 117, 135, 169, 195, 207, 225, 299, 325, 345, 351, 405, 507, 575, 585, 621, 675, 845, 897, 975, 1035, 1053, 1495, 1521, 1725, 1755, 1863, 2025, 2535, 2691, 2925, 3105, 3887, 4225, 4485, 4563, 5175, 5265, 7475, 7605, 8073, 8775, 9315, 11661, 12675, 13455, 13689, 15525, 19435, 22425, 22815, 24219, 26325, 34983, 38025, 40365, 46575, 58305, 67275, 68445, 97175, 104949, 114075, 121095, 174915, 201825, 291525, 314847, 342225, 524745, 605475, 874575, 1574235, 2623725, 7871175]

約数ペア:

[(1, 7871175), (3, 2623725), (5, 1574235), (9, 874575), (13, 605475), (15, 524745), (23, 342225), (25, 314847), (27, 291525), (39, 201825), (45, 174915), (65, 121095), (69, 114075), (75, 104949), (81, 97175), (115, 68445), (117, 67275), (135, 58305), (169, 46575), (195, 40365), (207, 38025), (225, 34983), (299, 26325), (325, 24219), (345, 22815), (351, 22425), (405, 19435), (507, 15525), (575, 13689), (585, 13455), (621, 12675), (675, 11661), (845, 9315), (897, 8775), (975, 8073), (1035, 7605), (1053, 7475), (1495, 5265), (1521, 5175), (1725, 4563), (1755, 4485), (1863, 4225), (2025, 3887), (2535, 3105), (2691, 2925)]