16549281

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 12279519

約数列:

[1, 3, 7, 9, 21, 41, 43, 63, 123, 129, 149, 287, 301, 369, 387, 447, 861, 903, 1043, 1341, 1763, 2583, 2709, 3129, 5289, 6109, 6407, 9387, 12341, 15867, 18327, 19221, 37023, 42763, 44849, 54981, 57663, 111069, 128289, 134547, 262687, 384867, 403641, 788061, 1838809, 2364183, 5516427, 16549281]

約数ペア:

[(1, 16549281), (3, 5516427), (7, 2364183), (9, 1838809), (21, 788061), (41, 403641), (43, 384867), (63, 262687), (123, 134547), (129, 128289), (149, 111069), (287, 57663), (301, 54981), (369, 44849), (387, 42763), (447, 37023), (861, 19221), (903, 18327), (1043, 15867), (1341, 12341), (1763, 9387), (2583, 6407), (2709, 6109), (3129, 5289)]