6440007

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{683}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 9849600

約数和(自身を除く): 3409593

約数列:

[1, 3, 7, 21, 449, 683, 1347, 2049, 3143, 4781, 9429, 14343, 306667, 920001, 2146669, 6440007]

約数ペア:

[(1, 6440007), (3, 2146669), (7, 920001), (21, 306667), (449, 14343), (683, 9429), (1347, 4781), (2049, 3143)]