87960087

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{4129}}^1$

素因数の和:4404

約数の個数: 20

約数和(自身を含む): 131928720

約数和(自身を除く): 43968633

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 4129, 7101, 12387, 21303, 37161, 111483, 334449, 1085927, 3257781, 9773343, 29320029, 87960087]

約数ペア:

[(1, 87960087), (3, 29320029), (9, 9773343), (27, 3257781), (81, 1085927), (263, 334449), (789, 111483), (2367, 37161), (4129, 21303), (7101, 12387)]