7982145

素因数分解:

$3^4\times 5^1\times {\mathrm{19709}}^1$

素因数の和:19726

約数の個数: 20

約数和(自身を含む): 14309460

約数和(自身を除く): 6327315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19709, 59127, 98545, 177381, 295635, 532143, 886905, 1596429, 2660715, 7982145]

約数ペア:

[(1, 7982145), (3, 2660715), (5, 1596429), (9, 886905), (15, 532143), (27, 295635), (45, 177381), (81, 98545), (135, 59127), (405, 19709)]