13305215889

素因数分解:

$3^2\times 7^1\times {\mathrm{8243}}^1\times {\mathrm{25621}}^1$

素因数の和:33877

約数の個数: 24

約数和(自身を含む): 21967687872

約数和(自身を除く): 8662471983

約数列:

[1, 3, 7, 9, 21, 63, 8243, 24729, 25621, 57701, 74187, 76863, 173103, 179347, 230589, 519309, 538041, 1614123, 211193903, 633581709, 1478357321, 1900745127, 4435071963, 13305215889]

約数ペア:

[(1, 13305215889), (3, 4435071963), (7, 1900745127), (9, 1478357321), (21, 633581709), (63, 211193903), (8243, 1614123), (24729, 538041), (25621, 519309), (57701, 230589), (74187, 179347), (76863, 173103)]