517185

素因数分解:

$3^4\times 5^1\times {\mathrm{1277}}^1$

素因数の和:1294

約数の個数: 20

約数和(自身を含む): 927828

約数和(自身を除く): 410643

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1277, 3831, 6385, 11493, 19155, 34479, 57465, 103437, 172395, 517185]

約数ペア:

[(1, 517185), (3, 172395), (5, 103437), (9, 57465), (15, 34479), (27, 19155), (45, 11493), (81, 6385), (135, 3831), (405, 1277)]