25393725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 54317952

約数和(自身を除く): 28924227

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 161, 175, 207, 225, 315, 345, 483, 525, 575, 701, 805, 1035, 1449, 1575, 1725, 2103, 2415, 3505, 4025, 4907, 5175, 6309, 7245, 10515, 12075, 14721, 16123, 17525, 24535, 31545, 36225, 44163, 48369, 52575, 73605, 80615, 112861, 122675, 145107, 157725, 220815, 241845, 338583, 368025, 403075, 564305, 725535, 1015749, 1104075, 1209225, 1692915, 2821525, 3627675, 5078745, 8464575, 25393725]

約数ペア:

[(1, 25393725), (3, 8464575), (5, 5078745), (7, 3627675), (9, 2821525), (15, 1692915), (21, 1209225), (23, 1104075), (25, 1015749), (35, 725535), (45, 564305), (63, 403075), (69, 368025), (75, 338583), (105, 241845), (115, 220815), (161, 157725), (175, 145107), (207, 122675), (225, 112861), (315, 80615), (345, 73605), (483, 52575), (525, 48369), (575, 44163), (701, 36225), (805, 31545), (1035, 24535), (1449, 17525), (1575, 16123), (1725, 14721), (2103, 12075), (2415, 10515), (3505, 7245), (4025, 6309), (4907, 5175)]