28257555

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19421}}^1$

素因数の和:19526

約数の個数: 16

約数和(自身を含む): 45680544

約数和(自身を除く): 17422989

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 19421, 58263, 97105, 291315, 1883837, 5651511, 9419185, 28257555]

約数ペア:

[(1, 28257555), (3, 9419185), (5, 5651511), (15, 1883837), (97, 291315), (291, 97105), (485, 58263), (1455, 19421)]