390296799

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{20161}}^1$

素因数の和:20412

約数の個数: 20

約数和(自身を含む): 585504480

約数和(自身を除く): 195207681

約数列:

[1, 3, 9, 27, 81, 239, 717, 2151, 6453, 19359, 20161, 60483, 181449, 544347, 1633041, 4818479, 14455437, 43366311, 130098933, 390296799]

約数ペア:

[(1, 390296799), (3, 130098933), (9, 43366311), (27, 14455437), (81, 4818479), (239, 1633041), (717, 544347), (2151, 181449), (6453, 60483), (19359, 20161)]