13909702947

素因数分解:

$3^1\times 7^1\times {\mathrm{662366807}}^1$

素因数の和:662366817

約数の個数: 8

約数和(自身を含む): 21195737856

約数和(自身を除く): 7286034909

約数列:

[1, 3, 7, 21, 662366807, 1987100421, 4636567649, 13909702947]

約数ペア:

[(1, 13909702947), (3, 4636567649), (7, 1987100421), (21, 662366807)]