28114779

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17387}}^1$

素因数の和:17415

約数の個数: 24

約数和(自身を含む): 47573568

約数和(自身を除く): 19458789

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17387, 52161, 121709, 191257, 365127, 573771, 851963, 1338799, 2555889, 4016397, 9371593, 28114779]

約数ペア:

[(1, 28114779), (3, 9371593), (7, 4016397), (11, 2555889), (21, 1338799), (33, 851963), (49, 573771), (77, 365127), (147, 191257), (231, 121709), (539, 52161), (1617, 17387)]