47891221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2729}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 57657600

約数和(自身を除く): 9766379

約数列:

[1, 7, 23, 109, 161, 763, 2507, 2729, 17549, 19103, 62767, 297461, 439369, 2082227, 6841603, 47891221]

約数ペア:

[(1, 47891221), (7, 6841603), (23, 2082227), (109, 439369), (161, 297461), (763, 62767), (2507, 19103), (2729, 17549)]