27720355887

素因数分解:

$3^2\times 7^1\times {\mathrm{10009}}^1\times {\mathrm{43961}}^1$

素因数の和:53983

約数の個数: 24

約数和(自身を含む): 45766200480

約数和(自身を除く): 18045844593

約数列:

[1, 3, 7, 9, 21, 63, 10009, 30027, 43961, 70063, 90081, 131883, 210189, 307727, 395649, 630567, 923181, 2769543, 440005649, 1320016947, 3080039543, 3960050841, 9240118629, 27720355887]

約数ペア:

[(1, 27720355887), (3, 9240118629), (7, 3960050841), (9, 3080039543), (21, 1320016947), (63, 440005649), (10009, 2769543), (30027, 923181), (43961, 630567), (70063, 395649), (90081, 307727), (131883, 210189)]