56689641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 86112000

約数和(自身を除く): 29422359

約数列:

[1, 3, 9, 23, 69, 137, 207, 411, 1233, 1999, 3151, 5997, 9453, 17991, 28359, 45977, 137931, 273863, 413793, 821589, 2464767, 6298849, 18896547, 56689641]

約数ペア:

[(1, 56689641), (3, 18896547), (9, 6298849), (23, 2464767), (69, 821589), (137, 413793), (207, 273863), (411, 137931), (1233, 45977), (1999, 28359), (3151, 17991), (5997, 9453)]