2643721521

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3402473}}^1$

素因数の和:3402520

約数の個数: 16

約数和(自身を含む): 4137408384

約数和(自身を除く): 1493686863

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 3402473, 10207419, 23817311, 71451933, 125891501, 377674503, 881240507, 2643721521]

約数ペア:

[(1, 2643721521), (3, 881240507), (7, 377674503), (21, 125891501), (37, 71451933), (111, 23817311), (259, 10207419), (777, 3402473)]