28202445

素因数分解:

$3^3\times 5^1\times {\mathrm{208907}}^1$

素因数の和:208921

約数の個数: 16

約数和(自身を含む): 50137920

約数和(自身を除く): 21935475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 208907, 626721, 1044535, 1880163, 3133605, 5640489, 9400815, 28202445]

約数ペア:

[(1, 28202445), (3, 9400815), (5, 5640489), (9, 3133605), (15, 1880163), (27, 1044535), (45, 626721), (135, 208907)]