27883681

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 32953600

約数和(自身を除く): 5069919

約数列:

[1, 7, 37, 199, 259, 541, 1393, 3787, 7363, 20017, 51541, 107659, 140119, 753613, 3983383, 27883681]

約数ペア:

[(1, 27883681), (7, 3983383), (37, 753613), (199, 140119), (259, 107659), (541, 51541), (1393, 20017), (3787, 7363)]