28551717

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 24

約数和(自身を含む): 44240000

約数和(自身を除く): 15688283

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1587, 1999, 4761, 5997, 14283, 17991, 45977, 53973, 137931, 413793, 1057471, 1241379, 3172413, 9517239, 28551717]

約数ペア:

[(1, 28551717), (3, 9517239), (9, 3172413), (23, 1241379), (27, 1057471), (69, 413793), (207, 137931), (529, 53973), (621, 45977), (1587, 17991), (1999, 14283), (4761, 5997)]