31005359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21193}}^1$

素因数の和:21230

約数の個数: 16

約数和(自身を含む): 40692480

約数和(自身を除く): 9687121

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21193, 148351, 233123, 402667, 1631861, 2818669, 4429337, 31005359]

約数ペア:

[(1, 31005359), (7, 4429337), (11, 2818669), (19, 1631861), (77, 402667), (133, 233123), (209, 148351), (1463, 21193)]