13720311

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 22366344

約数和(自身を除く): 8646033

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 293, 363, 387, 473, 879, 1089, 1419, 2637, 3223, 4257, 5203, 9669, 12599, 15609, 29007, 35453, 37797, 46827, 106359, 113391, 138589, 319077, 415767, 1247301, 1524479, 4573437, 13720311]

約数ペア:

[(1, 13720311), (3, 4573437), (9, 1524479), (11, 1247301), (33, 415767), (43, 319077), (99, 138589), (121, 113391), (129, 106359), (293, 46827), (363, 37797), (387, 35453), (473, 29007), (879, 15609), (1089, 12599), (1419, 9669), (2637, 5203), (3223, 4257)]