2883980169

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{644753}}^1$

素因数の和:644837

約数の個数: 24

約数和(自身を含む): 4827917952

約数和(自身を除く): 1943937783

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 644753, 1934259, 4513271, 5802777, 13539813, 40619439, 45777463, 137332389, 320442241, 411997167, 961326723, 2883980169]

約数ペア:

[(1, 2883980169), (3, 961326723), (7, 411997167), (9, 320442241), (21, 137332389), (63, 45777463), (71, 40619439), (213, 13539813), (497, 5802777), (639, 4513271), (1491, 1934259), (4473, 644753)]