28135515

素因数分解:

$3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8263}}^1$

素因数の和:8498

約数の個数: 16

約数和(自身を含む): 45220608

約数和(自身を除く): 17085093

約数列:

[1, 3, 5, 15, 227, 681, 1135, 3405, 8263, 24789, 41315, 123945, 1875701, 5627103, 9378505, 28135515]

約数ペア:

[(1, 28135515), (3, 9378505), (5, 5627103), (15, 1875701), (227, 123945), (681, 41315), (1135, 24789), (3405, 8263)]