28278627

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13681}}^1$

素因数の和:13750

約数の個数: 16

約数和(自身を含む): 41374368

約数和(自身を除く): 13095741

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13681, 41043, 177853, 533559, 725093, 2175279, 9426209, 28278627]

約数ペア:

[(1, 28278627), (3, 9426209), (13, 2175279), (39, 725093), (53, 533559), (159, 177853), (689, 41043), (2067, 13681)]