147749721

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{72533}}^1$

素因数の和:72640

約数の個数: 16

約数和(自身を含む): 227466624

約数和(自身を除く): 79716903

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 72533, 217599, 507731, 1523193, 7035701, 21107103, 49249907, 147749721]

約数ペア:

[(1, 147749721), (3, 49249907), (7, 21107103), (21, 7035701), (97, 1523193), (291, 507731), (679, 217599), (2037, 72533)]