207973961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 229824000

約数和(自身を除く): 21850039

約数列:

[1, 13, 53, 151, 689, 1963, 1999, 8003, 25987, 104039, 105947, 301849, 1377311, 3924037, 15997997, 207973961]

約数ペア:

[(1, 207973961), (13, 15997997), (53, 3924037), (151, 1377311), (689, 301849), (1963, 105947), (1999, 104039), (8003, 25987)]