81865343

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 95698944

約数和(自身を除く): 13833601

約数列:

[1, 7, 71, 127, 497, 889, 1297, 9017, 9079, 63119, 92087, 164719, 644609, 1153033, 11695049, 81865343]

約数ペア:

[(1, 81865343), (7, 11695049), (71, 1153033), (127, 644609), (497, 164719), (889, 92087), (1297, 63119), (9017, 9079)]