2239569

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 3428656

約数和(自身を除く): 1189087

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 643, 1161, 1929, 3483, 5787, 17361, 27649, 52083, 82947, 248841, 746523, 2239569]

約数ペア:

[(1, 2239569), (3, 746523), (9, 248841), (27, 82947), (43, 52083), (81, 27649), (129, 17361), (387, 5787), (643, 3483), (1161, 1929)]