2189517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 3260928

約数和(自身を除く): 1071411

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1543, 4629, 16973, 50919, 66349, 199047, 729839, 2189517]

約数ペア:

[(1, 2189517), (3, 729839), (11, 199047), (33, 66349), (43, 50919), (129, 16973), (473, 4629), (1419, 1543)]