2972123

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 20

約数和(自身を含む): 3865200

約数和(自身を除く): 893077

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 847, 1331, 2233, 3509, 9317, 14641, 24563, 38599, 102487, 270193, 424589, 2972123]

約数ペア:

[(1, 2972123), (7, 424589), (11, 270193), (29, 102487), (77, 38599), (121, 24563), (203, 14641), (319, 9317), (847, 3509), (1331, 2233)]