31591107

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{19181}}^1$

素因数の和:19251

約数の個数: 16

約数和(自身を含む): 47571360

約数和(自身を除く): 15980253

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 19181, 57543, 172629, 517887, 1170041, 3510123, 10530369, 31591107]

約数ペア:

[(1, 31591107), (3, 10530369), (9, 3510123), (27, 1170041), (61, 517887), (183, 172629), (549, 57543), (1647, 19181)]