28268739

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 43844112

約数和(自身を除く): 15575373

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 2531, 3723, 7593, 11169, 22779, 43027, 129081, 184763, 387243, 554289, 1662867, 3140971, 9422913, 28268739]

約数ペア:

[(1, 28268739), (3, 9422913), (9, 3140971), (17, 1662867), (51, 554289), (73, 387243), (153, 184763), (219, 129081), (657, 43027), (1241, 22779), (2531, 11169), (3723, 7593)]