205491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 117069

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 479, 1437, 5269, 6227, 15807, 18681, 68497, 205491]

約数ペア:

[(1, 205491), (3, 68497), (11, 18681), (13, 15807), (33, 6227), (39, 5269), (143, 1437), (429, 479)]