3945822021

素因数分解:

$3^2\times {\mathrm{647}}^1\times {\mathrm{677627}}^1$

素因数の和:678280

約数の個数: 12

約数和(自身を含む): 5708338272

約数和(自身を除く): 1762516251

約数列:

[1, 3, 9, 647, 1941, 5823, 677627, 2032881, 6098643, 438424669, 1315274007, 3945822021]

約数ペア:

[(1, 3945822021), (3, 1315274007), (9, 438424669), (647, 6098643), (1941, 2032881), (5823, 677627)]