66709727

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{4523}}^1$

素因数の和:4587

約数の個数: 16

約数和(自身を含む): 79622400

約数和(自身を除く): 12912673

約数列:

[1, 7, 43, 49, 301, 343, 2107, 4523, 14749, 31661, 194489, 221627, 1361423, 1551389, 9529961, 66709727]

約数ペア:

[(1, 66709727), (7, 9529961), (43, 1551389), (49, 1361423), (301, 221627), (343, 194489), (2107, 31661), (4523, 14749)]