16815465981

素因数分解:

$3^2\times {\mathrm{1559}}^1\times {\mathrm{1198451}}^1$

素因数の和:1200016

約数の個数: 12

約数和(自身を含む): 24304606560

約数和(自身を除く): 7489140579

約数列:

[1, 3, 9, 1559, 4677, 14031, 1198451, 3595353, 10786059, 1868385109, 5605155327, 16815465981]

約数ペア:

[(1, 16815465981), (3, 5605155327), (9, 1868385109), (1559, 10786059), (4677, 3595353), (14031, 1198451)]