11781441

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4349}}^1$

素因数の和:4405

約数の個数: 24

約数和(自身を含む): 19905600

約数和(自身を除く): 8124159

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4349, 13047, 30443, 39141, 91329, 187007, 273987, 561021, 1309049, 1683063, 3927147, 11781441]

約数ペア:

[(1, 11781441), (3, 3927147), (7, 1683063), (9, 1309049), (21, 561021), (43, 273987), (63, 187007), (129, 91329), (301, 39141), (387, 30443), (903, 13047), (2709, 4349)]