139981581

素因数分解:

$3^3\times {\mathrm{1549}}^1\times {\mathrm{3347}}^1$

素因数の和:4905

約数の個数: 16

約数和(自身を含む): 207576000

約数和(自身を除く): 67594419

約数列:

[1, 3, 9, 27, 1549, 3347, 4647, 10041, 13941, 30123, 41823, 90369, 5184503, 15553509, 46660527, 139981581]

約数ペア:

[(1, 139981581), (3, 46660527), (9, 15553509), (27, 5184503), (1549, 90369), (3347, 41823), (4647, 30123), (10041, 13941)]