478778859

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{314779}}^1$

素因数の和:314811

約数の個数: 18

約数和(自身を含む): 748861620

約数和(自身を除く): 270082761

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 314779, 944337, 2833011, 4092127, 12276381, 36829143, 53197651, 159592953, 478778859]

約数ペア:

[(1, 478778859), (3, 159592953), (9, 53197651), (13, 36829143), (39, 12276381), (117, 4092127), (169, 2833011), (507, 944337), (1521, 314779)]