208045929

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 360530496

約数和(自身を除く): 152484567

約数列:

[1, 3, 7, 13, 21, 31, 39, 61, 91, 93, 169, 183, 217, 273, 403, 427, 507, 651, 793, 961, 1183, 1209, 1281, 1891, 2379, 2821, 2883, 3549, 5239, 5551, 5673, 6727, 8463, 10309, 12493, 13237, 15717, 16653, 20181, 24583, 30927, 36673, 37479, 39711, 58621, 72163, 73749, 87451, 110019, 162409, 172081, 175863, 216489, 262353, 319579, 410347, 487227, 516243, 762073, 958737, 1136863, 1231041, 2237053, 2286219, 3410589, 5334511, 6711159, 9906949, 16003533, 29720847, 69348643, 208045929]

約数ペア:

[(1, 208045929), (3, 69348643), (7, 29720847), (13, 16003533), (21, 9906949), (31, 6711159), (39, 5334511), (61, 3410589), (91, 2286219), (93, 2237053), (169, 1231041), (183, 1136863), (217, 958737), (273, 762073), (403, 516243), (427, 487227), (507, 410347), (651, 319579), (793, 262353), (961, 216489), (1183, 175863), (1209, 172081), (1281, 162409), (1891, 110019), (2379, 87451), (2821, 73749), (2883, 72163), (3549, 58621), (5239, 39711), (5551, 37479), (5673, 36673), (6727, 30927), (8463, 24583), (10309, 20181), (12493, 16653), (13237, 15717)]