28260063

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80513}}^1$

素因数の和:80535

約数の個数: 16

約数和(自身を含む): 45087840

約数和(自身を除く): 16827777

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80513, 241539, 724617, 1046669, 2173851, 3140007, 9420021, 28260063]

約数ペア:

[(1, 28260063), (3, 9420021), (9, 3140007), (13, 2173851), (27, 1046669), (39, 724617), (117, 241539), (351, 80513)]