31215587

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 35888832

約数和(自身を除く): 4673245

約数列:

[1, 13, 17, 137, 221, 1031, 1781, 2329, 13403, 17527, 30277, 141247, 227851, 1836211, 2401199, 31215587]

約数ペア:

[(1, 31215587), (13, 2401199), (17, 1836211), (137, 227851), (221, 141247), (1031, 30277), (1781, 17527), (2329, 13403)]