66980445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{637909}}^1$

素因数の和:637924

約数の個数: 16

約数和(自身を含む): 122478720

約数和(自身を除く): 55498275

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 637909, 1913727, 3189545, 4465363, 9568635, 13396089, 22326815, 66980445]

約数ペア:

[(1, 66980445), (3, 22326815), (5, 13396089), (7, 9568635), (15, 4465363), (21, 3189545), (35, 1913727), (105, 637909)]