2101911981

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{4145783}}^1$

素因数の和:4145812

約数の個数: 12

約数和(自身を含む): 3034713888

約数和(自身を除く): 932801907

約数列:

[1, 3, 13, 39, 169, 507, 4145783, 12437349, 53895179, 161685537, 700637327, 2101911981]

約数ペア:

[(1, 2101911981), (3, 700637327), (13, 161685537), (39, 53895179), (169, 12437349), (507, 4145783)]