31122375

素因数分解:

$3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 52228800

約数和(自身を除く): 21106425

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 375, 447, 557, 745, 1671, 2235, 2785, 3725, 8355, 11175, 13925, 18625, 41775, 55875, 69625, 82993, 208875, 248979, 414965, 1244895, 2074825, 6224475, 10374125, 31122375]

約数ペア:

[(1, 31122375), (3, 10374125), (5, 6224475), (15, 2074825), (25, 1244895), (75, 414965), (125, 248979), (149, 208875), (375, 82993), (447, 69625), (557, 55875), (745, 41775), (1671, 18625), (2235, 13925), (2785, 11175), (3725, 8355)]