28810257

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{80701}}^1$

素因数の和:80728

約数の個数: 16

約数和(自身を含む): 46484352

約数和(自身を除く): 17674095

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 80701, 242103, 564907, 1371917, 1694721, 4115751, 9603419, 28810257]

約数ペア:

[(1, 28810257), (3, 9603419), (7, 4115751), (17, 1694721), (21, 1371917), (51, 564907), (119, 242103), (357, 80701)]