13213719

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15827

約数の個数: 16

約数和(自身を含む): 20208640

約数和(自身を除く): 6994921

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 15787, 47361, 142083, 426249, 489397, 1468191, 4404573, 13213719]

約数ペア:

[(1, 13213719), (3, 4404573), (9, 1468191), (27, 489397), (31, 426249), (93, 142083), (279, 47361), (837, 15787)]