398412963

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1423}}^1\times {\mathrm{2393}}^1$

素因数の和:3835

約数の個数: 24

約数和(自身を含む): 620448192

約数和(自身を除く): 222035229

約数列:

[1, 3, 9, 13, 39, 117, 1423, 2393, 4269, 7179, 12807, 18499, 21537, 31109, 55497, 93327, 166491, 279981, 3405239, 10215717, 30647151, 44268107, 132804321, 398412963]

約数ペア:

[(1, 398412963), (3, 132804321), (9, 44268107), (13, 30647151), (39, 10215717), (117, 3405239), (1423, 279981), (2393, 166491), (4269, 93327), (7179, 55497), (12807, 31109), (18499, 21537)]