80490781

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3929

約数の個数: 16

約数和(自身を含む): 95430400

約数和(自身を除く): 14939619

約数列:

[1, 7, 49, 61, 343, 427, 2989, 3847, 20923, 26929, 188503, 234667, 1319521, 1642669, 11498683, 80490781]

約数ペア:

[(1, 80490781), (7, 11498683), (49, 1642669), (61, 1319521), (343, 234667), (427, 188503), (2989, 26929), (3847, 20923)]