27960147

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{11903}}^1$

素因数の和:11944

約数の個数: 20

約数和(自身を含む): 43211520

約数和(自身を除く): 15251373

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 11903, 35709, 107127, 321381, 345187, 964143, 1035561, 3106683, 9320049, 27960147]

約数ペア:

[(1, 27960147), (3, 9320049), (9, 3106683), (27, 1035561), (29, 964143), (81, 345187), (87, 321381), (261, 107127), (783, 35709), (2349, 11903)]