12665541

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4339}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 19443200

約数和(自身を除く): 6777659

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 4339, 13017, 30373, 91119, 603121, 1809363, 4221847, 12665541]

約数ペア:

[(1, 12665541), (3, 4221847), (7, 1809363), (21, 603121), (139, 91119), (417, 30373), (973, 13017), (2919, 4339)]