28110789

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10883}}^1$

素因数の和:10937

約数の個数: 24

約数和(自身を含む): 47541312

約数和(自身を除く): 19430523

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 10883, 32649, 76181, 97947, 228543, 446203, 685629, 1338609, 3123421, 4015827, 9370263, 28110789]

約数ペア:

[(1, 28110789), (3, 9370263), (7, 4015827), (9, 3123421), (21, 1338609), (41, 685629), (63, 446203), (123, 228543), (287, 97947), (369, 76181), (861, 32649), (2583, 10883)]