1855143

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 20

約数和(自身を含む): 2850760

約数和(自身を除く): 995617

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 619, 999, 1857, 2997, 5571, 16713, 22903, 50139, 68709, 206127, 618381, 1855143]

約数ペア:

[(1, 1855143), (3, 618381), (9, 206127), (27, 68709), (37, 50139), (81, 22903), (111, 16713), (333, 5571), (619, 2997), (999, 1857)]