221346671

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8081}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 283775184

約数和(自身を除く): 62428513

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 637, 2107, 3913, 8081, 27391, 56567, 105053, 347483, 395969, 735371, 2432381, 4517279, 5147597, 17026667, 31620953, 221346671]

約数ペア:

[(1, 221346671), (7, 31620953), (13, 17026667), (43, 5147597), (49, 4517279), (91, 2432381), (301, 735371), (559, 395969), (637, 347483), (2107, 105053), (3913, 56567), (8081, 27391)]