7427781

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 28

約数和(自身を含む): 11647008

約数和(自身を除く): 4219227

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 443, 621, 729, 1329, 1863, 3987, 5589, 10189, 11961, 16767, 30567, 35883, 91701, 107649, 275103, 322947, 825309, 2475927, 7427781]

約数ペア:

[(1, 7427781), (3, 2475927), (9, 825309), (23, 322947), (27, 275103), (69, 107649), (81, 91701), (207, 35883), (243, 30567), (443, 16767), (621, 11961), (729, 10189), (1329, 5589), (1863, 3987)]