12980763

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20935

約数の個数: 16

約数和(自身を含む): 20067840

約数和(自身を除く): 7087077

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 20903, 62709, 188127, 480769, 564381, 1442307, 4326921, 12980763]

約数ペア:

[(1, 12980763), (3, 4326921), (9, 1442307), (23, 564381), (27, 480769), (69, 188127), (207, 62709), (621, 20903)]