28786515

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19001}}^1$

素因数の和:19110

約数の個数: 16

約数和(自身を含む): 46516896

約数和(自身を除く): 17730381

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 19001, 57003, 95005, 285015, 1919101, 5757303, 9595505, 28786515]

約数ペア:

[(1, 28786515), (3, 9595505), (5, 5757303), (15, 1919101), (101, 285015), (303, 95005), (505, 57003), (1515, 19001)]