208272009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{26407}}^1$

素因数の和:26660

約数の個数: 16

約数和(自身を含む): 304220160

約数和(自身を除く): 95948151

約数列:

[1, 3, 11, 33, 239, 717, 2629, 7887, 26407, 79221, 290477, 871431, 6311273, 18933819, 69424003, 208272009]

約数ペア:

[(1, 208272009), (3, 69424003), (11, 18933819), (33, 6311273), (239, 871431), (717, 290477), (2629, 79221), (7887, 26407)]