820547

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 1032192

約数和(自身を除く): 211645

約数列:

[1, 7, 13, 71, 91, 127, 497, 889, 923, 1651, 6461, 9017, 11557, 63119, 117221, 820547]

約数ペア:

[(1, 820547), (7, 117221), (13, 63119), (71, 11557), (91, 9017), (127, 6461), (497, 1651), (889, 923)]