131287923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 218181600

約数和(自身を除く): 86893677

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 149, 153, 221, 443, 447, 663, 1329, 1341, 1937, 1989, 2533, 3987, 5759, 5811, 7531, 7599, 17277, 17433, 22593, 22797, 32929, 51831, 66007, 67779, 97903, 98787, 198021, 293709, 296361, 594063, 858091, 881127, 1122119, 2574273, 3366357, 7722819, 10099071, 14587547, 43762641, 131287923]

約数ペア:

[(1, 131287923), (3, 43762641), (9, 14587547), (13, 10099071), (17, 7722819), (39, 3366357), (51, 2574273), (117, 1122119), (149, 881127), (153, 858091), (221, 594063), (443, 296361), (447, 293709), (663, 198021), (1329, 98787), (1341, 97903), (1937, 67779), (1989, 66007), (2533, 51831), (3987, 32929), (5759, 22797), (5811, 22593), (7531, 17433), (7599, 17277)]