2850771

素因数分解:

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

素因数の和:112

約数の個数: 48

約数和(自身を含む): 5056128

約数和(自身を除く): 2205357

約数列:

[1, 3, 7, 11, 21, 33, 41, 43, 49, 77, 123, 129, 147, 231, 287, 301, 451, 473, 539, 861, 903, 1353, 1419, 1617, 1763, 2009, 2107, 3157, 3311, 5289, 6027, 6321, 9471, 9933, 12341, 19393, 22099, 23177, 37023, 58179, 66297, 69531, 86387, 135751, 259161, 407253, 950257, 2850771]

約数ペア:

[(1, 2850771), (3, 950257), (7, 407253), (11, 259161), (21, 135751), (33, 86387), (41, 69531), (43, 66297), (49, 58179), (77, 37023), (123, 23177), (129, 22099), (147, 19393), (231, 12341), (287, 9933), (301, 9471), (451, 6321), (473, 6027), (539, 5289), (861, 3311), (903, 3157), (1353, 2107), (1419, 2009), (1617, 1763)]