25778870919

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{13447507}}^1$

素因数の和:13447587

約数の個数: 16

約数和(自身を含む): 38728823040

約数和(自身を除く): 12949952121

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 13447507, 40342521, 121027563, 363082689, 954772997, 2864318991, 8592956973, 25778870919]

約数ペア:

[(1, 25778870919), (3, 8592956973), (9, 2864318991), (27, 954772997), (71, 363082689), (213, 121027563), (639, 40342521), (1917, 13447507)]