127520729

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 149415936

約数和(自身を除く): 21895207

約数列:

[1, 7, 47, 329, 331, 1171, 2317, 8197, 15557, 55037, 108899, 385259, 387601, 2713207, 18217247, 127520729]

約数ペア:

[(1, 127520729), (7, 18217247), (47, 2713207), (329, 387601), (331, 385259), (1171, 108899), (2317, 55037), (8197, 15557)]