18664125

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 31539456

約数和(自身を除く): 12875331

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 701, 1065, 1775, 2103, 3505, 5325, 8875, 10515, 17525, 26625, 49771, 52575, 87625, 149313, 248855, 262875, 746565, 1244275, 3732825, 6221375, 18664125]

約数ペア:

[(1, 18664125), (3, 6221375), (5, 3732825), (15, 1244275), (25, 746565), (71, 262875), (75, 248855), (125, 149313), (213, 87625), (355, 52575), (375, 49771), (701, 26625), (1065, 17525), (1775, 10515), (2103, 8875), (3505, 5325)]