247029257439

素因数分解:

$3^4\times {\mathrm{2917}}^1\times {\mathrm{1045507}}^1$

素因数の和:1048436

約数の個数: 20

約数和(自身を含む): 369145873624

約数和(自身を除く): 122116616185

約数列:

[1, 3, 9, 27, 81, 2917, 8751, 26253, 78759, 236277, 1045507, 3136521, 9409563, 28228689, 84686067, 3049743919, 9149231757, 27447695271, 82343085813, 247029257439]

約数ペア:

[(1, 247029257439), (3, 82343085813), (9, 27447695271), (27, 9149231757), (81, 3049743919), (2917, 84686067), (8751, 28228689), (26253, 9409563), (78759, 3136521), (236277, 1045507)]