6688689

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{739}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 10229760

約数和(自身を除く): 3541071

約数列:

[1, 3, 7, 21, 431, 739, 1293, 2217, 3017, 5173, 9051, 15519, 318509, 955527, 2229563, 6688689]

約数ペア:

[(1, 6688689), (3, 2229563), (7, 955527), (21, 318509), (431, 15519), (739, 9051), (1293, 5173), (2217, 3017)]