6648789

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 10700800

約数和(自身を除く): 4052011

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 199, 259, 301, 597, 777, 903, 1393, 1591, 4179, 4773, 7363, 8557, 11137, 22089, 25671, 33411, 51541, 59899, 154623, 179697, 316609, 949827, 2216263, 6648789]

約数ペア:

[(1, 6648789), (3, 2216263), (7, 949827), (21, 316609), (37, 179697), (43, 154623), (111, 59899), (129, 51541), (199, 33411), (259, 25671), (301, 22089), (597, 11137), (777, 8557), (903, 7363), (1393, 4773), (1591, 4179)]