212855819

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{9719}}^1$

素因数の和:9922

約数の個数: 12

約数和(自身を含む): 235282320

約数和(自身を除く): 22426501

約数列:

[1, 11, 121, 181, 1991, 9719, 21901, 106909, 1175999, 1759139, 19350529, 212855819]

約数ペア:

[(1, 212855819), (11, 19350529), (121, 1759139), (181, 1175999), (1991, 106909), (9719, 21901)]