28420845

素因数分解:

$3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2089}}^1$

素因数の和:3004

約数の個数: 16

約数和(自身を含む): 45545280

約数和(自身を除く): 17124435

約数列:

[1, 3, 5, 15, 907, 2089, 2721, 4535, 6267, 10445, 13605, 31335, 1894723, 5684169, 9473615, 28420845]

約数ペア:

[(1, 28420845), (3, 9473615), (5, 5684169), (15, 1894723), (907, 31335), (2089, 13605), (2721, 10445), (4535, 6267)]