399384

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^2$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 1135800

約数和(自身を除く): 736416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 1849, 2322, 3096, 3698, 4644, 5547, 7396, 9288, 11094, 14792, 16641, 22188, 33282, 44376, 49923, 66564, 99846, 133128, 199692, 399384]

約数ペア:

[(1, 399384), (2, 199692), (3, 133128), (4, 99846), (6, 66564), (8, 49923), (9, 44376), (12, 33282), (18, 22188), (24, 16641), (27, 14792), (36, 11094), (43, 9288), (54, 7396), (72, 5547), (86, 4644), (108, 3698), (129, 3096), (172, 2322), (216, 1849), (258, 1548), (344, 1161), (387, 1032), (516, 774)]