28469781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2549}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 44155800

約数和(自身を除く): 15686019

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 2549, 3723, 7647, 11169, 22941, 43333, 129999, 186077, 389997, 558231, 1674693, 3163309, 9489927, 28469781]

約数ペア:

[(1, 28469781), (3, 9489927), (9, 3163309), (17, 1674693), (51, 558231), (73, 389997), (153, 186077), (219, 129999), (657, 43333), (1241, 22941), (2549, 11169), (3723, 7647)]