1538553609

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{136651}}^1$

素因数の和:136802

約数の個数: 20

約数和(自身を含む): 2314884880

約数和(自身を除く): 776331271

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 136651, 409953, 1229859, 3689577, 11068731, 18994489, 56983467, 170950401, 512851203, 1538553609]

約数ペア:

[(1, 1538553609), (3, 512851203), (9, 170950401), (27, 56983467), (81, 18994489), (139, 11068731), (417, 3689577), (1251, 1229859), (3753, 409953), (11259, 136651)]