2008904781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{393209}}^1$

素因数の和:393356

約数の個数: 16

約数和(自身を含む): 2906608320

約数和(自身を除く): 897703539

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 393209, 1179627, 5111717, 15335151, 51510379, 154531137, 669634927, 2008904781]

約数ペア:

[(1, 2008904781), (3, 669634927), (13, 154531137), (39, 51510379), (131, 15335151), (393, 5111717), (1703, 1179627), (5109, 393209)]