138920221

素因数分解:

${\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{6011}}^1$

素因数の和:6224

約数の個数: 12

約数和(自身を含む): 153522432

約数和(自身を除く): 14602211

約数列:

[1, 11, 121, 191, 2101, 6011, 23111, 66121, 727331, 1148101, 12629111, 138920221]

約数ペア:

[(1, 138920221), (11, 12629111), (121, 1148101), (191, 727331), (2101, 66121), (6011, 23111)]