6428889

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 9689680

約数和(自身を除く): 3260791

約数列:

[1, 3, 9, 27, 81, 139, 417, 571, 1251, 1713, 3753, 5139, 11259, 15417, 46251, 79369, 238107, 714321, 2142963, 6428889]

約数ペア:

[(1, 6428889), (3, 2142963), (9, 714321), (27, 238107), (81, 79369), (139, 46251), (417, 15417), (571, 11259), (1251, 5139), (1713, 3753)]