28220511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8467}}^1$

素因数の和:8582

約数の個数: 16

約数和(自身を含む): 41459328

約数和(自身を除く): 13238817

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 8467, 25401, 93137, 279411, 855167, 2565501, 9406837, 28220511]

約数ペア:

[(1, 28220511), (3, 9406837), (11, 2565501), (33, 855167), (101, 279411), (303, 93137), (1111, 25401), (3333, 8467)]