72907009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17683}}^1$

素因数の和:17740

約数の個数: 16

約数和(自身を含む): 90542080

約数和(自身を除く): 17635071

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 17683, 123781, 335977, 548173, 2351839, 3837211, 10415287, 72907009]

約数ペア:

[(1, 72907009), (7, 10415287), (19, 3837211), (31, 2351839), (133, 548173), (217, 335977), (589, 123781), (4123, 17683)]