12940317

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12314

約数の個数: 20

約数和(自身を含む): 20819260

約数和(自身を除く): 7878943

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12289, 36867, 110601, 159757, 331803, 479271, 995409, 1437813, 4313439, 12940317]

約数ペア:

[(1, 12940317), (3, 4313439), (9, 1437813), (13, 995409), (27, 479271), (39, 331803), (81, 159757), (117, 110601), (351, 36867), (1053, 12289)]