2947347

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:342

約数の個数: 28

約数和(自身を含む): 4774224

約数和(自身を除く): 1826877

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 311, 351, 729, 933, 1053, 2799, 3159, 4043, 8397, 9477, 12129, 25191, 36387, 75573, 109161, 226719, 327483, 982449, 2947347]

約数ペア:

[(1, 2947347), (3, 982449), (9, 327483), (13, 226719), (27, 109161), (39, 75573), (81, 36387), (117, 25191), (243, 12129), (311, 9477), (351, 8397), (729, 4043), (933, 3159), (1053, 2799)]