1207904319

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{136811}}^1$

素因数の和:136932

約数の個数: 20

約数和(自身を含む): 1820967720

約数和(自身を除く): 613063401

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 136811, 410433, 1231299, 3693897, 11081691, 14912399, 44737197, 134211591, 402634773, 1207904319]

約数ペア:

[(1, 1207904319), (3, 402634773), (9, 134211591), (27, 44737197), (81, 14912399), (109, 11081691), (327, 3693897), (981, 1231299), (2943, 410433), (8829, 136811)]