78161841

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13591}}^1$

素因数の和:13674

約数の個数: 20

約数和(自身を含む): 118413504

約数和(自身を除く): 40251663

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13591, 40773, 122319, 366957, 964961, 1100871, 2894883, 8684649, 26053947, 78161841]

約数ペア:

[(1, 78161841), (3, 26053947), (9, 8684649), (27, 2894883), (71, 1100871), (81, 964961), (213, 366957), (639, 122319), (1917, 40773), (5751, 13591)]