1282581

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:785

約数の個数: 16

約数和(自身を含む): 1931200

約数和(自身を除く): 648619

約数列:

[1, 3, 9, 27, 67, 201, 603, 709, 1809, 2127, 6381, 19143, 47503, 142509, 427527, 1282581]

約数ペア:

[(1, 1282581), (3, 427527), (9, 142509), (27, 47503), (67, 19143), (201, 6381), (603, 2127), (709, 1809)]