28206543

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2\times {\mathrm{73}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 39829168

約数和(自身を除く): 11622625

約数列:

[1, 3, 37, 59, 73, 111, 177, 219, 2183, 2701, 3481, 4307, 6549, 8103, 10443, 12921, 128797, 159359, 254113, 386391, 478077, 762339, 9402181, 28206543]

約数ペア:

[(1, 28206543), (3, 9402181), (37, 762339), (59, 478077), (73, 386391), (111, 254113), (177, 159359), (219, 128797), (2183, 12921), (2701, 10443), (3481, 8103), (4307, 6549)]