67398885

素因数分解:

$3^4\times 5^1\times {\mathrm{166417}}^1$

素因数の和:166434

約数の個数: 20

約数和(自身を含む): 120819468

約数和(自身を除く): 53420583

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 166417, 499251, 832085, 1497753, 2496255, 4493259, 7488765, 13479777, 22466295, 67398885]

約数ペア:

[(1, 67398885), (3, 22466295), (5, 13479777), (9, 7488765), (15, 4493259), (27, 2496255), (45, 1497753), (81, 832085), (135, 499251), (405, 166417)]