128675217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{54919}}^1$

素因数の和:55004

約数の個数: 16

約数和(自身を含む): 189803520

約数和(自身を除く): 61128303

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 54919, 164757, 604109, 1812327, 3899249, 11697747, 42891739, 128675217]

約数ペア:

[(1, 128675217), (3, 42891739), (11, 11697747), (33, 3899249), (71, 1812327), (213, 604109), (781, 164757), (2343, 54919)]