16620009

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1129}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 25384320

約数和(自身を除く): 8764311

約数列:

[1, 3, 7, 21, 701, 1129, 2103, 3387, 4907, 7903, 14721, 23709, 791429, 2374287, 5540003, 16620009]

約数ペア:

[(1, 16620009), (3, 5540003), (7, 2374287), (21, 791429), (701, 23709), (1129, 14721), (2103, 7903), (3387, 4907)]