1991102399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1071061}}^1$

素因数の和:1071098

約数の個数: 12

約数和(自身を含む): 2352052152

約数和(自身を除く): 360949753

約数列:

[1, 11, 13, 143, 169, 1859, 1071061, 11781671, 13923793, 153161723, 181009309, 1991102399]

約数ペア:

[(1, 1991102399), (11, 181009309), (13, 153161723), (143, 13923793), (169, 11781671), (1859, 1071061)]