206142489

素因数分解:

$3^5\times 7^1\times {\mathrm{121189}}^1$

素因数の和:121211

約数の個数: 24

約数和(自身を含む): 352905280

約数和(自身を除く): 146762791

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 121189, 363567, 848323, 1090701, 2544969, 3272103, 7634907, 9816309, 22904721, 29448927, 68714163, 206142489]

約数ペア:

[(1, 206142489), (3, 68714163), (7, 29448927), (9, 22904721), (21, 9816309), (27, 7634907), (63, 3272103), (81, 2544969), (189, 1090701), (243, 848323), (567, 363567), (1701, 121189)]