28857597

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 39221952

約数和(自身を除く): 10364355

約数列:

[1, 3, 97, 131, 291, 393, 757, 2271, 12707, 38121, 73429, 99167, 220287, 297501, 9619199, 28857597]

約数ペア:

[(1, 28857597), (3, 9619199), (97, 297501), (131, 220287), (291, 99167), (393, 73429), (757, 38121), (2271, 12707)]