12378723

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 19403712

約数和(自身を除く): 7024989

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 787, 2247, 2361, 5243, 5509, 15729, 16527, 38563, 84209, 115689, 252627, 589463, 1768389, 4126241, 12378723]

約数ペア:

[(1, 12378723), (3, 4126241), (7, 1768389), (21, 589463), (49, 252627), (107, 115689), (147, 84209), (321, 38563), (749, 16527), (787, 15729), (2247, 5509), (2361, 5243)]