31505981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3920

約数の個数: 16

約数和(自身を含む): 36905904

約数和(自身を除く): 5399923

約数列:

[1, 13, 17, 37, 221, 481, 629, 3853, 8177, 50089, 65501, 142561, 851513, 1853293, 2423537, 31505981]

約数ペア:

[(1, 31505981), (13, 2423537), (17, 1853293), (37, 851513), (221, 142561), (481, 65501), (629, 50089), (3853, 8177)]