256304889

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{13751}}^1$

素因数の和:13885

約数の個数: 24

約数和(自身を含む): 393307200

約数和(自身を除く): 137002311

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 6213, 13751, 18639, 41253, 123759, 261269, 783807, 1498859, 2351421, 4496577, 13489731, 28478321, 85434963, 256304889]

約数ペア:

[(1, 256304889), (3, 85434963), (9, 28478321), (19, 13489731), (57, 4496577), (109, 2351421), (171, 1498859), (327, 783807), (981, 261269), (2071, 123759), (6213, 41253), (13751, 18639)]