395343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 640640

約数和(自身を除く): 245297

約数列:

[1, 3, 9, 13, 31, 39, 93, 109, 117, 279, 327, 403, 981, 1209, 1417, 3379, 3627, 4251, 10137, 12753, 30411, 43927, 131781, 395343]

約数ペア:

[(1, 395343), (3, 131781), (9, 43927), (13, 30411), (31, 12753), (39, 10137), (93, 4251), (109, 3627), (117, 3379), (279, 1417), (327, 1209), (403, 981)]