12561003

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 22859200

約数和(自身を除く): 10298197

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 313, 343, 441, 637, 819, 939, 1029, 1911, 2191, 2817, 3087, 4069, 4459, 5733, 6573, 12207, 13377, 15337, 19719, 28483, 36621, 40131, 46011, 85449, 107359, 138033, 199381, 256347, 322077, 598143, 966231, 1395667, 1794429, 4187001, 12561003]

約数ペア:

[(1, 12561003), (3, 4187001), (7, 1794429), (9, 1395667), (13, 966231), (21, 598143), (39, 322077), (49, 256347), (63, 199381), (91, 138033), (117, 107359), (147, 85449), (273, 46011), (313, 40131), (343, 36621), (441, 28483), (637, 19719), (819, 15337), (939, 13377), (1029, 12207), (1911, 6573), (2191, 5733), (2817, 4459), (3087, 4069)]