28691229

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1949}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 43804800

約数和(自身を除く): 15113571

約数列:

[1, 3, 7, 21, 701, 1949, 2103, 4907, 5847, 13643, 14721, 40929, 1366249, 4098747, 9563743, 28691229]

約数ペア:

[(1, 28691229), (3, 9563743), (7, 4098747), (21, 1366249), (701, 40929), (1949, 14721), (2103, 13643), (4907, 5847)]