206904621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{895691}}^1$

素因数の和:895712

約数の個数: 16

約数和(自身を含む): 343945728

約数和(自身を除く): 137041107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 895691, 2687073, 6269837, 9852601, 18809511, 29557803, 68968207, 206904621]

約数ペア:

[(1, 206904621), (3, 68968207), (7, 29557803), (11, 18809511), (21, 9852601), (33, 6269837), (77, 2687073), (231, 895691)]