213042905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{8161}}^1$

素因数の和:8416

約数の個数: 16

約数和(自身を含む): 267974784

約数和(自身を除く): 54931879

約数列:

[1, 5, 23, 115, 227, 1135, 5221, 8161, 26105, 40805, 187703, 938515, 1852547, 9262735, 42608581, 213042905]

約数ペア:

[(1, 213042905), (5, 42608581), (23, 9262735), (115, 1852547), (227, 938515), (1135, 187703), (5221, 40805), (8161, 26105)]