86642721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20353}}^1$

素因数の和:20413

約数の個数: 24

約数和(自身を含む): 139709856

約数和(自身を除く): 53067135

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 20353, 61059, 183177, 223883, 671649, 875179, 2014947, 2625537, 7876611, 9626969, 28880907, 86642721]

約数ペア:

[(1, 86642721), (3, 28880907), (9, 9626969), (11, 7876611), (33, 2625537), (43, 2014947), (99, 875179), (129, 671649), (387, 223883), (473, 183177), (1419, 61059), (4257, 20353)]