31430325

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7907}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 52951968

約数和(自身を除く): 21521643

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 7907, 23721, 39535, 118605, 197675, 419071, 593025, 1257213, 2095355, 6286065, 10476775, 31430325]

約数ペア:

[(1, 31430325), (3, 10476775), (5, 6286065), (15, 2095355), (25, 1257213), (53, 593025), (75, 419071), (159, 197675), (265, 118605), (795, 39535), (1325, 23721), (3975, 7907)]