80109

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 20

約数和(自身を含む): 127776

約数和(自身を除く): 47667

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 989, 1161, 1863, 2967, 3483, 8901, 26703, 80109]

約数ペア:

[(1, 80109), (3, 26703), (9, 8901), (23, 3483), (27, 2967), (43, 1863), (69, 1161), (81, 989), (129, 621), (207, 387)]