15720795

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7433}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 27832896

約数和(自身を除く): 12112101

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 7433, 22299, 37165, 66897, 111495, 334485, 349351, 1048053, 1746755, 3144159, 5240265, 15720795]

約数ペア:

[(1, 15720795), (3, 5240265), (5, 3144159), (9, 1746755), (15, 1048053), (45, 349351), (47, 334485), (141, 111495), (235, 66897), (423, 37165), (705, 22299), (2115, 7433)]