6640347

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1747}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 10180352

約数和(自身を除く): 3540005

約数列:

[1, 3, 7, 21, 181, 543, 1267, 1747, 3801, 5241, 12229, 36687, 316207, 948621, 2213449, 6640347]

約数ペア:

[(1, 6640347), (3, 2213449), (7, 948621), (21, 316207), (181, 36687), (543, 12229), (1267, 5241), (1747, 3801)]