31298631

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8819}}^1$

素因数の和:8855

約数の個数: 24

約数和(自身を含む): 51649920

約数和(自身を除く): 20351289

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 8819, 26457, 61733, 114647, 185199, 343941, 802529, 1490411, 2407587, 4471233, 10432877, 31298631]

約数ペア:

[(1, 31298631), (3, 10432877), (7, 4471233), (13, 2407587), (21, 1490411), (39, 802529), (91, 343941), (169, 185199), (273, 114647), (507, 61733), (1183, 26457), (3549, 8819)]