28498335

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26759}}^1$

素因数の和:26838

約数の個数: 16

約数和(自身を含む): 46241280

約数和(自身を除く): 17742945

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26759, 80277, 133795, 401385, 1899889, 5699667, 9499445, 28498335]

約数ペア:

[(1, 28498335), (3, 9499445), (5, 5699667), (15, 1899889), (71, 401385), (213, 133795), (355, 80277), (1065, 26759)]