28278261

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{95213}}^1$

素因数の和:95233

約数の個数: 16

約数和(自身を含む): 45702720

約数和(自身を除く): 17424459

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 95213, 285639, 856917, 1047343, 2570751, 3142029, 9426087, 28278261]

約数ペア:

[(1, 28278261), (3, 9426087), (9, 3142029), (11, 2570751), (27, 1047343), (33, 856917), (99, 285639), (297, 95213)]