405687789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{19157}}^1$

素因数の和:19357

約数の個数: 24

約数和(自身を含む): 634589592

約数和(自身を除く): 228901803

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 1629, 2353, 7059, 19157, 21177, 57471, 172413, 249041, 747123, 2241369, 3467417, 10402251, 31206753, 45076421, 135229263, 405687789]

約数ペア:

[(1, 405687789), (3, 135229263), (9, 45076421), (13, 31206753), (39, 10402251), (117, 3467417), (181, 2241369), (543, 747123), (1629, 249041), (2353, 172413), (7059, 57471), (19157, 21177)]