20131925751

素因数分解:

$3^2\times 7^1\times {\mathrm{319554377}}^1$

素因数の和:319554390

約数の個数: 12

約数和(自身を含む): 33233655312

約数和(自身を除く): 13101729561

約数列:

[1, 3, 7, 9, 21, 63, 319554377, 958663131, 2236880639, 2875989393, 6710641917, 20131925751]

約数ペア:

[(1, 20131925751), (3, 6710641917), (7, 2875989393), (9, 2236880639), (21, 958663131), (63, 319554377)]