201538257

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{4243}}^1$

素因数の和:4540

約数の個数: 16

約数和(自身を含む): 273788928

約数和(自身を除く): 72250671

約数列:

[1, 3, 71, 213, 223, 669, 4243, 12729, 15833, 47499, 301253, 903759, 946189, 2838567, 67179419, 201538257]

約数ペア:

[(1, 201538257), (3, 67179419), (71, 2838567), (213, 946189), (223, 903759), (669, 301253), (4243, 47499), (12729, 15833)]