28939437

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5930

約数の個数: 20

約数和(自身を含む): 43946716

約数和(自身を除く): 15007279

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5857, 17571, 52713, 158139, 357277, 474417, 1071831, 3215493, 9646479, 28939437]

約数ペア:

[(1, 28939437), (3, 9646479), (9, 3215493), (27, 1071831), (61, 474417), (81, 357277), (183, 158139), (549, 52713), (1647, 17571), (4941, 5857)]