15791517

素因数分解:

$3^4\times 7^1\times {\mathrm{27851}}^1$

素因数の和:27870

約数の個数: 20

約数和(自身を含む): 26960736

約数和(自身を除く): 11169219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27851, 83553, 194957, 250659, 584871, 751977, 1754613, 2255931, 5263839, 15791517]

約数ペア:

[(1, 15791517), (3, 5263839), (7, 2255931), (9, 1754613), (21, 751977), (27, 584871), (63, 250659), (81, 194957), (189, 83553), (567, 27851)]