2018743479

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{280031}}^1$

素因数の和:280132

約数の個数: 20

約数和(自身を含む): 3049548480

約数和(自身を除く): 1030805001

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 280031, 840093, 2520279, 7560837, 22682511, 24922759, 74768277, 224304831, 672914493, 2018743479]

約数ペア:

[(1, 2018743479), (3, 672914493), (9, 224304831), (27, 74768277), (81, 24922759), (89, 22682511), (267, 7560837), (801, 2520279), (2403, 840093), (7209, 280031)]