2012121221

素因数分解:

${\mathrm{11}}^2\times {\mathrm{2707}}^1\times {\mathrm{6143}}^1$

素因数の和:8872

約数の個数: 12

約数和(自身を含む): 2212847616

約数和(自身を除く): 200726395

約数列:

[1, 11, 121, 2707, 6143, 29777, 67573, 327547, 743303, 16629101, 182920111, 2012121221]

約数ペア:

[(1, 2012121221), (11, 182920111), (121, 16629101), (2707, 743303), (6143, 327547), (29777, 67573)]