20161392723

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{810769}}^1$

素因数の和:811088

約数の個数: 20

約数和(自身を含む): 30215776360

約数和(自身を除く): 10054383637

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 8289, 24867, 810769, 2432307, 7296921, 21890763, 65672289, 248906083, 746718249, 2240154747, 6720464241, 20161392723]

約数ペア:

[(1, 20161392723), (3, 6720464241), (9, 2240154747), (27, 746718249), (81, 248906083), (307, 65672289), (921, 21890763), (2763, 7296921), (8289, 2432307), (24867, 810769)]