15521157

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 23805600

約数和(自身を除く): 8284443

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 653, 1251, 1959, 2641, 5877, 7923, 12407, 23769, 37221, 90767, 111663, 272301, 816903, 1724573, 5173719, 15521157]

約数ペア:

[(1, 15521157), (3, 5173719), (9, 1724573), (19, 816903), (57, 272301), (139, 111663), (171, 90767), (417, 37221), (653, 23769), (1251, 12407), (1959, 7923), (2641, 5877)]