12438987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5394

約数の個数: 16

約数和(自身を含む): 18351360

約数和(自身を除く): 5912373

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 5309, 15927, 58399, 175197, 376939, 1130817, 4146329, 12438987]

約数ペア:

[(1, 12438987), (3, 4146329), (11, 1130817), (33, 376939), (71, 175197), (213, 58399), (781, 15927), (2343, 5309)]