39665781

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{1951}}^1$

素因数の和:2214

約数の個数: 20

約数和(自身を含む): 59520384

約数和(自身を除く): 19854603

約数列:

[1, 3, 9, 27, 81, 251, 753, 1951, 2259, 5853, 6777, 17559, 20331, 52677, 158031, 489701, 1469103, 4407309, 13221927, 39665781]

約数ペア:

[(1, 39665781), (3, 13221927), (9, 4407309), (27, 1469103), (81, 489701), (251, 158031), (753, 52677), (1951, 20331), (2259, 17559), (5853, 6777)]