665624061

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 1013716704

約数和(自身を除く): 348092643

約数列:

[1, 3, 9, 27, 81, 83, 181, 249, 543, 547, 747, 1629, 1641, 2241, 4887, 4923, 6723, 14661, 14769, 15023, 44307, 45069, 45401, 99007, 135207, 136203, 297021, 405621, 408609, 891063, 1216863, 1225827, 2673189, 3677481, 8019567, 8217581, 24652743, 73958229, 221874687, 665624061]

約数ペア:

[(1, 665624061), (3, 221874687), (9, 73958229), (27, 24652743), (81, 8217581), (83, 8019567), (181, 3677481), (249, 2673189), (543, 1225827), (547, 1216863), (747, 891063), (1629, 408609), (1641, 405621), (2241, 297021), (4887, 136203), (4923, 135207), (6723, 99007), (14661, 45401), (14769, 45069), (15023, 44307)]