215796717

素因数分解:

$3^4\times {\mathrm{1279}}^1\times {\mathrm{2083}}^1$

素因数の和:3374

約数の個数: 20

約数和(自身を含む): 322769920

約数和(自身を除く): 106973203

約数列:

[1, 3, 9, 27, 81, 1279, 2083, 3837, 6249, 11511, 18747, 34533, 56241, 103599, 168723, 2664157, 7992471, 23977413, 71932239, 215796717]

約数ペア:

[(1, 215796717), (3, 71932239), (9, 23977413), (27, 7992471), (81, 2664157), (1279, 168723), (2083, 103599), (3837, 56241), (6249, 34533), (11511, 18747)]