81736605

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4441}}^1$

素因数の和:4861

約数の個数: 24

約数和(自身を含む): 142055160

約数和(自身を除く): 60318555

約数列:

[1, 3, 5, 9, 15, 45, 409, 1227, 2045, 3681, 4441, 6135, 13323, 18405, 22205, 39969, 66615, 199845, 1816369, 5449107, 9081845, 16347321, 27245535, 81736605]

約数ペア:

[(1, 81736605), (3, 27245535), (5, 16347321), (9, 9081845), (15, 5449107), (45, 1816369), (409, 199845), (1227, 66615), (2045, 39969), (3681, 22205), (4441, 18405), (6135, 13323)]