7686981

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2262

約数の個数: 20

約数和(自身を含む): 11755392

約数和(自身を除く): 4068411

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2207, 3483, 6621, 19863, 59589, 94901, 178767, 284703, 854109, 2562327, 7686981]

約数ペア:

[(1, 7686981), (3, 2562327), (9, 854109), (27, 284703), (43, 178767), (81, 94901), (129, 59589), (387, 19863), (1161, 6621), (2207, 3483)]