1397844

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{43}}^2$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 4240320

約数和(自身を除く): 2842476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 84, 86, 108, 126, 129, 172, 189, 252, 258, 301, 378, 387, 516, 602, 756, 774, 903, 1161, 1204, 1548, 1806, 1849, 2322, 2709, 3612, 3698, 4644, 5418, 5547, 7396, 8127, 10836, 11094, 12943, 16254, 16641, 22188, 25886, 32508, 33282, 38829, 49923, 51772, 66564, 77658, 99846, 116487, 155316, 199692, 232974, 349461, 465948, 698922, 1397844]

約数ペア:

[(1, 1397844), (2, 698922), (3, 465948), (4, 349461), (6, 232974), (7, 199692), (9, 155316), (12, 116487), (14, 99846), (18, 77658), (21, 66564), (27, 51772), (28, 49923), (36, 38829), (42, 33282), (43, 32508), (54, 25886), (63, 22188), (84, 16641), (86, 16254), (108, 12943), (126, 11094), (129, 10836), (172, 8127), (189, 7396), (252, 5547), (258, 5418), (301, 4644), (378, 3698), (387, 3612), (516, 2709), (602, 2322), (756, 1849), (774, 1806), (903, 1548), (1161, 1204)]