1221759

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 2306304

約数和(自身を除く): 1084545

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 43, 63, 77, 99, 123, 129, 231, 287, 301, 369, 387, 451, 473, 693, 861, 903, 1353, 1419, 1763, 2583, 2709, 3157, 3311, 4059, 4257, 5289, 9471, 9933, 12341, 15867, 19393, 28413, 29799, 37023, 58179, 111069, 135751, 174537, 407253, 1221759]

約数ペア:

[(1, 1221759), (3, 407253), (7, 174537), (9, 135751), (11, 111069), (21, 58179), (33, 37023), (41, 29799), (43, 28413), (63, 19393), (77, 15867), (99, 12341), (123, 9933), (129, 9471), (231, 5289), (287, 4257), (301, 4059), (369, 3311), (387, 3157), (451, 2709), (473, 2583), (693, 1763), (861, 1419), (903, 1353)]