387631971

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{13721}}^1$

素因数の和:13843

約数の個数: 24

約数和(自身を含む): 580824816

約数和(自身を除く): 193192845

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 3139, 9417, 13721, 28251, 41163, 123489, 590003, 1001633, 1770009, 3004899, 5310027, 9014697, 43070219, 129210657, 387631971]

約数ペア:

[(1, 387631971), (3, 129210657), (9, 43070219), (43, 9014697), (73, 5310027), (129, 3004899), (219, 1770009), (387, 1001633), (657, 590003), (3139, 123489), (9417, 41163), (13721, 28251)]