28253379

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11119}}^1$

素因数の和:11151

約数の個数: 24

約数和(自身を含む): 47326720

約数和(自身を除く): 19073341

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 11119, 33357, 77833, 122309, 233499, 366927, 856163, 1345399, 2568489, 4036197, 9417793, 28253379]

約数ペア:

[(1, 28253379), (3, 9417793), (7, 4036197), (11, 2568489), (21, 1345399), (33, 856163), (77, 366927), (121, 233499), (231, 122309), (363, 77833), (847, 33357), (2541, 11119)]