16690293

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5618

約数の個数: 20

約数和(自身を含む): 25610860

約数和(自身を除く): 8920567

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5569, 16707, 50121, 150363, 206053, 451089, 618159, 1854477, 5563431, 16690293]

約数ペア:

[(1, 16690293), (3, 5563431), (9, 1854477), (27, 618159), (37, 451089), (81, 206053), (111, 150363), (333, 50121), (999, 16707), (2997, 5569)]