209125873

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 241937640

約数和(自身を除く): 32811767

約数列:

[1, 11, 29, 61, 121, 319, 671, 977, 1769, 3509, 7381, 10747, 19459, 28333, 59597, 118217, 214049, 311663, 655567, 1728313, 3428293, 7211237, 19011443, 209125873]

約数ペア:

[(1, 209125873), (11, 19011443), (29, 7211237), (61, 3428293), (121, 1728313), (319, 655567), (671, 311663), (977, 214049), (1769, 118217), (3509, 59597), (7381, 28333), (10747, 19459)]