51729921

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{27767}}^1$

素因数の和:27802

約数の個数: 20

約数和(自身を含む): 80638272

約数和(自身を除く): 28908351

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 27767, 83301, 249903, 638641, 749709, 1915923, 2249127, 5747769, 17243307, 51729921]

約数ペア:

[(1, 51729921), (3, 17243307), (9, 5747769), (23, 2249127), (27, 1915923), (69, 749709), (81, 638641), (207, 249903), (621, 83301), (1863, 27767)]