80496747

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13997}}^1$

素因数の和:14080

約数の個数: 20

約数和(自身を含む): 121950576

約数和(自身を除く): 41453829

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13997, 41991, 125973, 377919, 993787, 1133757, 2981361, 8944083, 26832249, 80496747]

約数ペア:

[(1, 80496747), (3, 26832249), (9, 8944083), (27, 2981361), (71, 1133757), (81, 993787), (213, 377919), (639, 125973), (1917, 41991), (5751, 13997)]