127566819

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{3967}}^1$

素因数の和:4376

約数の個数: 20

約数和(自身を含む): 191090944

約数和(自身を除く): 63524125

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 3967, 10719, 11901, 32157, 35703, 107109, 321327, 1574899, 4724697, 14174091, 42522273, 127566819]

約数ペア:

[(1, 127566819), (3, 42522273), (9, 14174091), (27, 4724697), (81, 1574899), (397, 321327), (1191, 107109), (3573, 35703), (3967, 32157), (10719, 11901)]