1398397

素因数分解:

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

素因数の和:169

約数の個数: 24

約数和(自身を含む): 1906688

約数和(自身を除く): 508291

約数列:

[1, 7, 11, 13, 77, 91, 121, 127, 143, 847, 889, 1001, 1397, 1573, 1651, 9779, 11011, 11557, 15367, 18161, 107569, 127127, 199771, 1398397]

約数ペア:

[(1, 1398397), (7, 199771), (11, 127127), (13, 107569), (77, 18161), (91, 15367), (121, 11557), (127, 11011), (143, 9779), (847, 1651), (889, 1573), (1001, 1397)]