39897

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:61

約数の個数: 24

約数和(自身を含む): 69888

約数和(自身を除く): 29991

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 403, 429, 1023, 1209, 1287, 3069, 3627, 4433, 13299, 39897]

約数ペア:

[(1, 39897), (3, 13299), (9, 4433), (11, 3627), (13, 3069), (31, 1287), (33, 1209), (39, 1023), (93, 429), (99, 403), (117, 341), (143, 279)]