17968041

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 33546240

約数和(自身を除く): 15578199

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 103, 117, 189, 213, 273, 309, 351, 497, 639, 721, 819, 923, 927, 1339, 1491, 1917, 2163, 2457, 2769, 2781, 4017, 4473, 6461, 6489, 7313, 8307, 9373, 12051, 13419, 19383, 19467, 21939, 24921, 28119, 36153, 51191, 58149, 65817, 84357, 95069, 153573, 174447, 197451, 253071, 285207, 460719, 665483, 855621, 1382157, 1996449, 2566863, 5989347, 17968041]

約数ペア:

[(1, 17968041), (3, 5989347), (7, 2566863), (9, 1996449), (13, 1382157), (21, 855621), (27, 665483), (39, 460719), (63, 285207), (71, 253071), (91, 197451), (103, 174447), (117, 153573), (189, 95069), (213, 84357), (273, 65817), (309, 58149), (351, 51191), (497, 36153), (639, 28119), (721, 24921), (819, 21939), (923, 19467), (927, 19383), (1339, 13419), (1491, 12051), (1917, 9373), (2163, 8307), (2457, 7313), (2769, 6489), (2781, 6461), (4017, 4473)]