25771509

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 38997504

約数和(自身を除く): 13225995

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1301, 2201, 3903, 6603, 11709, 19809, 40331, 92371, 120993, 277113, 362979, 831339, 2863501, 8590503, 25771509]

約数ペア:

[(1, 25771509), (3, 8590503), (9, 2863501), (31, 831339), (71, 362979), (93, 277113), (213, 120993), (279, 92371), (639, 40331), (1301, 19809), (2201, 11709), (3903, 6603)]