889889

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 1225728

約数和(自身を除く): 335839

約数列:

[1, 7, 11, 13, 49, 77, 91, 127, 143, 539, 637, 889, 1001, 1397, 1651, 6223, 7007, 9779, 11557, 18161, 68453, 80899, 127127, 889889]

約数ペア:

[(1, 889889), (7, 127127), (11, 80899), (13, 68453), (49, 18161), (77, 11557), (91, 9779), (127, 7007), (143, 6223), (539, 1651), (637, 1397), (889, 1001)]