289121727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 414720000

約数和(自身を除く): 125598273

約数列:

[1, 3, 19, 57, 71, 199, 213, 359, 597, 1077, 1349, 3781, 4047, 6821, 11343, 14129, 20463, 25489, 42387, 71441, 76467, 214323, 268451, 484291, 805353, 1357379, 1452873, 4072137, 5072311, 15216933, 96373909, 289121727]

約数ペア:

[(1, 289121727), (3, 96373909), (19, 15216933), (57, 5072311), (71, 4072137), (199, 1452873), (213, 1357379), (359, 805353), (597, 484291), (1077, 268451), (1349, 214323), (3781, 76467), (4047, 71441), (6821, 42387), (11343, 25489), (14129, 20463)]