31303987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 8370893

約数列:

[1, 11, 13, 17, 79, 143, 163, 187, 221, 869, 1027, 1343, 1793, 2119, 2431, 2771, 11297, 12877, 14773, 17459, 23309, 30481, 36023, 141647, 167401, 192049, 218909, 396253, 1841411, 2407999, 2845817, 31303987]

約数ペア:

[(1, 31303987), (11, 2845817), (13, 2407999), (17, 1841411), (79, 396253), (143, 218909), (163, 192049), (187, 167401), (221, 141647), (869, 36023), (1027, 30481), (1343, 23309), (1793, 17459), (2119, 14773), (2431, 12877), (2771, 11297)]