2721759

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 3749760

約数和(自身を除く): 1028001

約数列:

[1, 3, 61, 107, 139, 183, 321, 417, 6527, 8479, 14873, 19581, 25437, 44619, 907253, 2721759]

約数ペア:

[(1, 2721759), (3, 907253), (61, 44619), (107, 25437), (139, 19581), (183, 14873), (321, 8479), (417, 6527)]