27757779

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 43889664

約数和(自身を除く): 16131885

約数列:

[1, 3, 7, 21, 41, 103, 123, 287, 309, 313, 721, 861, 939, 2163, 2191, 4223, 6573, 12669, 12833, 29561, 32239, 38499, 88683, 89831, 96717, 225673, 269493, 677019, 1321799, 3965397, 9252593, 27757779]

約数ペア:

[(1, 27757779), (3, 9252593), (7, 3965397), (21, 1321799), (41, 677019), (103, 269493), (123, 225673), (287, 96717), (309, 89831), (313, 88683), (721, 38499), (861, 32239), (939, 29561), (2163, 12833), (2191, 12669), (4223, 6573)]