80939169

素因数分解:

$3^5\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 121692480

約数和(自身を除く): 40753311

約数列:

[1, 3, 9, 27, 81, 243, 397, 839, 1191, 2517, 3573, 7551, 10719, 22653, 32157, 67959, 96471, 203877, 333083, 999249, 2997747, 8993241, 26979723, 80939169]

約数ペア:

[(1, 80939169), (3, 26979723), (9, 8993241), (27, 2997747), (81, 999249), (243, 333083), (397, 203877), (839, 96471), (1191, 67959), (2517, 32157), (3573, 22653), (7551, 10719)]