130876991

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{20389}}^1$

素因数の和:20534

約数の個数: 12

約数和(自身を含む): 153414360

約数和(自身を除く): 22537369

約数列:

[1, 7, 49, 131, 917, 6419, 20389, 142723, 999061, 2670959, 18696713, 130876991]

約数ペア:

[(1, 130876991), (7, 18696713), (49, 2670959), (131, 999061), (917, 142723), (6419, 20389)]