213207445

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{352409}}^1$

素因数の和:352436

約数の個数: 12

約数和(自身を含む): 281223180

約数和(自身を除く): 68015735

約数列:

[1, 5, 11, 55, 121, 605, 352409, 1762045, 3876499, 19382495, 42641489, 213207445]

約数ペア:

[(1, 213207445), (5, 42641489), (11, 19382495), (55, 3876499), (121, 1762045), (605, 352409)]