220427999

素因数分解:

${\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{7559}}^1$

素因数の和:7822

約数の個数: 12

約数和(自身を含む): 243326160

約数和(自身を除く): 22898161

約数列:

[1, 11, 121, 241, 2651, 7559, 29161, 83149, 914639, 1821719, 20038909, 220427999]

約数ペア:

[(1, 220427999), (11, 20038909), (121, 1821719), (241, 914639), (2651, 83149), (7559, 29161)]