12987459

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1592

約数の個数: 20

約数和(自身を含む): 19592320

約数和(自身を除く): 6604861

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1471, 2943, 4413, 8829, 13239, 39717, 119151, 160339, 481017, 1443051, 4329153, 12987459]

約数ペア:

[(1, 12987459), (3, 4329153), (9, 1443051), (27, 481017), (81, 160339), (109, 119151), (327, 39717), (981, 13239), (1471, 8829), (2943, 4413)]