81749655

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15527}}^1$

素因数の和:15557

約数の個数: 40

約数和(自身を含む): 157826592

約数和(自身を除く): 76076937

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15527, 46581, 77635, 139743, 201851, 232905, 419229, 605553, 698715, 1009255, 1257687, 1816659, 2096145, 3027765, 5449977, 6288435, 9083295, 16349931, 27249885, 81749655]

約数ペア:

[(1, 81749655), (3, 27249885), (5, 16349931), (9, 9083295), (13, 6288435), (15, 5449977), (27, 3027765), (39, 2096145), (45, 1816659), (65, 1257687), (81, 1009255), (117, 698715), (135, 605553), (195, 419229), (351, 232905), (405, 201851), (585, 139743), (1053, 77635), (1755, 46581), (5265, 15527)]