156640923

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{2909}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 234848640

約数和(自身を除く): 78207717

約数列:

[1, 3, 9, 31, 93, 193, 279, 579, 1737, 2909, 5983, 8727, 17949, 26181, 53847, 90179, 270537, 561437, 811611, 1684311, 5052933, 17404547, 52213641, 156640923]

約数ペア:

[(1, 156640923), (3, 52213641), (9, 17404547), (31, 5052933), (93, 1684311), (193, 811611), (279, 561437), (579, 270537), (1737, 90179), (2909, 53847), (5983, 26181), (8727, 17949)]