28186509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{1031}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 40569984

約数和(自身を除く): 12383475

約数列:

[1, 3, 13, 39, 701, 1031, 2103, 3093, 9113, 13403, 27339, 40209, 722731, 2168193, 9395503, 28186509]

約数ペア:

[(1, 28186509), (3, 9395503), (13, 2168193), (39, 722731), (701, 40209), (1031, 27339), (2103, 13403), (3093, 9113)]