6787557

素因数分解:

$3^4\times 7^1\times {\mathrm{11971}}^1$

素因数の和:11990

約数の個数: 20

約数和(自身を含む): 11588896

約数和(自身を除く): 4801339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 11971, 35913, 83797, 107739, 251391, 323217, 754173, 969651, 2262519, 6787557]

約数ペア:

[(1, 6787557), (3, 2262519), (7, 969651), (9, 754173), (21, 323217), (27, 251391), (63, 107739), (81, 83797), (189, 35913), (567, 11971)]