12902409

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12253}}^1$

素因数の和:12278

約数の個数: 20

約数和(自身を含む): 20758276

約数和(自身を除く): 7855867

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12253, 36759, 110277, 159289, 330831, 477867, 992493, 1433601, 4300803, 12902409]

約数ペア:

[(1, 12902409), (3, 4300803), (9, 1433601), (13, 992493), (27, 477867), (39, 330831), (81, 159289), (117, 110277), (351, 36759), (1053, 12253)]