15721889703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2942521}}^1$

素因数の和:2942674

約数の個数: 16

約数和(自身を含む): 22739810016

約数和(自身を除く): 7017920313

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 2942521, 8827563, 38252773, 114758319, 403125377, 1209376131, 5240629901, 15721889703]

約数ペア:

[(1, 15721889703), (3, 5240629901), (13, 1209376131), (39, 403125377), (137, 114758319), (411, 38252773), (1781, 8827563), (5343, 2942521)]