18157037157

素因数分解:

$3^2\times 7^1\times {\mathrm{288206939}}^1$

素因数の和:288206952

約数の個数: 12

約数和(自身を含む): 29973521760

約数和(自身を除く): 11816484603

約数列:

[1, 3, 7, 9, 21, 63, 288206939, 864620817, 2017448573, 2593862451, 6052345719, 18157037157]

約数ペア:

[(1, 18157037157), (3, 6052345719), (7, 2593862451), (9, 2017448573), (21, 864620817), (63, 288206939)]