13640209

素因数分解:

${\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:972

約数の個数: 12

約数和(自身を含む): 15119440

約数和(自身を除く): 1479231

約数列:

[1, 11, 121, 139, 811, 1529, 8921, 16819, 98131, 112729, 1240019, 13640209]

約数ペア:

[(1, 13640209), (11, 1240019), (121, 112729), (139, 98131), (811, 16819), (1529, 8921)]