28857279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{51439}}^1$

素因数の和:51470

約数の個数: 16

約数和(自身を含む): 44444160

約数和(自身を除く): 15586881

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 51439, 154317, 565829, 874463, 1697487, 2623389, 9619093, 28857279]

約数ペア:

[(1, 28857279), (3, 9619093), (11, 2623389), (17, 1697487), (33, 874463), (51, 565829), (187, 154317), (561, 51439)]