11988873

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 19091072

約数和(自身を除く): 7102199

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 2383, 5031, 7149, 21447, 30979, 92937, 102469, 278811, 307407, 922221, 1332097, 3996291, 11988873]

約数ペア:

[(1, 11988873), (3, 3996291), (9, 1332097), (13, 922221), (39, 307407), (43, 278811), (117, 102469), (129, 92937), (387, 30979), (559, 21447), (1677, 7149), (2383, 5031)]