12875715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16831}}^1$

素因数の和:16859

約数の個数: 24

約数和(自身を含む): 23632128

約数和(自身を除く): 10756413

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 16831, 50493, 84155, 151479, 252465, 286127, 757395, 858381, 1430635, 2575143, 4291905, 12875715]

約数ペア:

[(1, 12875715), (3, 4291905), (5, 2575143), (9, 1430635), (15, 858381), (17, 757395), (45, 286127), (51, 252465), (85, 151479), (153, 84155), (255, 50493), (765, 16831)]