28698555

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26947}}^1$

素因数の和:27026

約数の個数: 16

約数和(自身を含む): 46566144

約数和(自身を除く): 17867589

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26947, 80841, 134735, 404205, 1913237, 5739711, 9566185, 28698555]

約数ペア:

[(1, 28698555), (3, 9566185), (5, 5739711), (15, 1913237), (71, 404205), (213, 134735), (355, 80841), (1065, 26947)]