864621

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 1323520

約数和(自身を除く): 458899

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 1033, 3099, 9297, 27891, 32023, 96069, 288207, 864621]

約数ペア:

[(1, 864621), (3, 288207), (9, 96069), (27, 32023), (31, 27891), (93, 9297), (279, 3099), (837, 1033)]