399725442

素因数分解:

$2^1\times 3^4\times {\mathrm{2467441}}^1$

素因数の和:2467455

約数の個数: 20

約数和(自身を含む): 895681446

約数和(自身を除く): 495956004

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2467441, 4934882, 7402323, 14804646, 22206969, 44413938, 66620907, 133241814, 199862721, 399725442]

約数ペア:

[(1, 399725442), (2, 199862721), (3, 133241814), (6, 66620907), (9, 44413938), (18, 22206969), (27, 14804646), (54, 7402323), (81, 4934882), (162, 2467441)]