202120121

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 233376000

約数和(自身を除く): 31255879

約数列:

[1, 7, 199, 373, 389, 1393, 2611, 2723, 74227, 77411, 145097, 519589, 541877, 1015679, 28874303, 202120121]

約数ペア:

[(1, 202120121), (7, 28874303), (199, 1015679), (373, 541877), (389, 519589), (1393, 145097), (2611, 77411), (2723, 74227)]