8419719

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 14708736

約数和(自身を除く): 6289017

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 127, 147, 231, 287, 381, 451, 539, 861, 889, 1353, 1397, 1617, 2009, 2667, 3157, 4191, 5207, 6027, 6223, 9471, 9779, 15621, 18669, 22099, 29337, 36449, 57277, 66297, 68453, 109347, 171831, 205359, 255143, 400939, 765429, 1202817, 2806573, 8419719]

約数ペア:

[(1, 8419719), (3, 2806573), (7, 1202817), (11, 765429), (21, 400939), (33, 255143), (41, 205359), (49, 171831), (77, 109347), (123, 68453), (127, 66297), (147, 57277), (231, 36449), (287, 29337), (381, 22099), (451, 18669), (539, 15621), (861, 9779), (889, 9471), (1353, 6223), (1397, 6027), (1617, 5207), (2009, 4191), (2667, 3157)]