13999311

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 20

約数和(自身を含む): 21013344

約数和(自身を除く): 7014033

約数列:

[1, 3, 9, 27, 81, 401, 431, 1203, 1293, 3609, 3879, 10827, 11637, 32481, 34911, 172831, 518493, 1555479, 4666437, 13999311]

約数ペア:

[(1, 13999311), (3, 4666437), (9, 1555479), (27, 518493), (81, 172831), (401, 34911), (431, 32481), (1203, 11637), (1293, 10827), (3609, 3879)]