27540081

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7962

約数の個数: 20

約数和(自身を含む): 42102192

約数和(自身を除く): 14562111

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7907, 23721, 71163, 213489, 340001, 640467, 1020003, 3060009, 9180027, 27540081]

約数ペア:

[(1, 27540081), (3, 9180027), (9, 3060009), (27, 1020003), (43, 640467), (81, 340001), (129, 213489), (387, 71163), (1161, 23721), (3483, 7907)]