28447215

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26711}}^1$

素因数の和:26790

約数の個数: 16

約数和(自身を含む): 46158336

約数和(自身を除く): 17711121

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26711, 80133, 133555, 400665, 1896481, 5689443, 9482405, 28447215]

約数ペア:

[(1, 28447215), (3, 9482405), (5, 5689443), (15, 1896481), (71, 400665), (213, 133555), (355, 80133), (1065, 26711)]