28704945

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26953}}^1$

素因数の和:27032

約数の個数: 16

約数和(自身を含む): 46576512

約数和(自身を除く): 17871567

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26953, 80859, 134765, 404295, 1913663, 5740989, 9568315, 28704945]

約数ペア:

[(1, 28704945), (3, 9568315), (5, 5740989), (15, 1913663), (71, 404295), (213, 134765), (355, 80859), (1065, 26953)]