12491739

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11863}}^1$

素因数の和:11888

約数の個数: 20

約数和(自身を含む): 20097616

約数和(自身を除く): 7605877

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11863, 35589, 106767, 154219, 320301, 462657, 960903, 1387971, 4163913, 12491739]

約数ペア:

[(1, 12491739), (3, 4163913), (9, 1387971), (13, 960903), (27, 462657), (39, 320301), (81, 154219), (117, 106767), (351, 35589), (1053, 11863)]