87253257

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 63704823

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 103, 107, 203, 273, 309, 321, 377, 609, 721, 749, 1131, 1339, 1391, 2163, 2247, 2639, 2987, 3103, 4017, 4173, 7917, 8961, 9309, 9373, 9737, 11021, 20909, 21721, 28119, 29211, 33063, 38831, 40339, 62727, 65163, 77147, 116493, 121017, 143273, 231441, 271817, 282373, 319609, 429819, 815451, 847119, 958827, 1002911, 2237263, 3008733, 4154917, 6711789, 12464751, 29084419, 87253257]

約数ペア:

[(1, 87253257), (3, 29084419), (7, 12464751), (13, 6711789), (21, 4154917), (29, 3008733), (39, 2237263), (87, 1002911), (91, 958827), (103, 847119), (107, 815451), (203, 429819), (273, 319609), (309, 282373), (321, 271817), (377, 231441), (609, 143273), (721, 121017), (749, 116493), (1131, 77147), (1339, 65163), (1391, 62727), (2163, 40339), (2247, 38831), (2639, 33063), (2987, 29211), (3103, 28119), (4017, 21721), (4173, 20909), (7917, 11021), (8961, 9737), (9309, 9373)]