13239207

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2324

約数の個数: 20

約数和(自身を含む): 20056960

約数和(自身を除く): 6817753

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 2239, 5913, 6717, 20151, 60453, 163447, 181359, 490341, 1471023, 4413069, 13239207]

約数ペア:

[(1, 13239207), (3, 4413069), (9, 1471023), (27, 490341), (73, 181359), (81, 163447), (219, 60453), (657, 20151), (1971, 6717), (2239, 5913)]