663489117

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{176789}}^1$

素因数の和:176937

約数の個数: 16

約数和(自身を含む): 990024000

約数和(自身を除く): 326534883

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 176789, 530367, 1591101, 4773303, 24573671, 73721013, 221163039, 663489117]

約数ペア:

[(1, 663489117), (3, 221163039), (9, 73721013), (27, 24573671), (139, 4773303), (417, 1591101), (1251, 530367), (3753, 176789)]