28208973

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{55639}}^1$

素因数の和:55668

約数の個数: 12

約数和(自身を含む): 40728480

約数和(自身を除く): 12519507

約数列:

[1, 3, 13, 39, 169, 507, 55639, 166917, 723307, 2169921, 9402991, 28208973]

約数ペア:

[(1, 28208973), (3, 9402991), (13, 2169921), (39, 723307), (169, 166917), (507, 55639)]