28157505

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9433}}^1$

素因数の和:9640

約数の個数: 16

約数和(自身を含む): 45283200

約数和(自身を除く): 17125695

約数列:

[1, 3, 5, 15, 199, 597, 995, 2985, 9433, 28299, 47165, 141495, 1877167, 5631501, 9385835, 28157505]

約数ペア:

[(1, 28157505), (3, 9385835), (5, 5631501), (15, 1877167), (199, 141495), (597, 47165), (995, 28299), (2985, 9433)]