205388043

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{514757}}^1$

素因数の和:514786

約数の個数: 16

約数和(自身を含む): 329445120

約数和(自身を除く): 124057077

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 514757, 1544271, 3603299, 9780383, 10809897, 29341149, 68462681, 205388043]

約数ペア:

[(1, 205388043), (3, 68462681), (7, 29341149), (19, 10809897), (21, 9780383), (57, 3603299), (133, 1544271), (399, 514757)]