254686719

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{27011}}^1$

素因数の和:27470

約数の個数: 16

約数和(自身を含む): 388972800

約数和(自身を除く): 134286081

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 9429, 27011, 81033, 189077, 567231, 12127939, 36383817, 84895573, 254686719]

約数ペア:

[(1, 254686719), (3, 84895573), (7, 36383817), (21, 12127939), (449, 567231), (1347, 189077), (3143, 81033), (9429, 27011)]