28236897

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80447}}^1$

素因数の和:80469

約数の個数: 16

約数和(自身を含む): 45050880

約数和(自身を除く): 16813983

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80447, 241341, 724023, 1045811, 2172069, 3137433, 9412299, 28236897]

約数ペア:

[(1, 28236897), (3, 9412299), (9, 3137433), (13, 2172069), (27, 1045811), (39, 724023), (117, 241341), (351, 80447)]