821776827165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1\times {\mathrm{1531}}^1$

素因数の和:2251

約数の個数: 128

約数和(自身を含む): 1540072095744

約数和(自身を除く): 718295268579

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 181, 183, 305, 427, 463, 543, 905, 915, 1267, 1281, 1389, 1531, 2135, 2315, 2715, 3241, 3801, 4593, 6335, 6405, 6945, 7655, 9723, 10717, 11041, 16205, 19005, 22965, 28243, 32151, 33123, 48615, 53585, 55205, 77287, 83803, 84729, 93391, 141215, 160755, 165615, 197701, 231861, 251409, 277111, 280173, 386435, 419015, 423645, 466955, 586621, 593103, 653737, 708853, 831333, 988505, 1159305, 1257045, 1385555, 1400865, 1759863, 1939777, 1961211, 2126559, 2933105, 2965515, 3268685, 3544265, 4156665, 4961971, 5111983, 5819331, 8799315, 9698885, 9806055, 10632795, 14885913, 15335949, 16903771, 24809855, 25559915, 29096655, 35783881, 43240033, 50711313, 74429565, 76679745, 84518855, 107351643, 118326397, 128302393, 129720099, 178919405, 216200165, 253556565, 302680231, 354979191, 384907179, 536758215, 591631985, 641511965, 648600495, 898116751, 908040693, 1513401155, 1774895955, 1924535895, 2694350253, 4490583755, 4540203465, 7826445973, 13471751265, 23479337919, 39132229865, 54785121811, 117396689595, 164355365433, 273925609055, 821776827165]

約数ペア:

[(1, 821776827165), (3, 273925609055), (5, 164355365433), (7, 117396689595), (15, 54785121811), (21, 39132229865), (35, 23479337919), (61, 13471751265), (105, 7826445973), (181, 4540203465), (183, 4490583755), (305, 2694350253), (427, 1924535895), (463, 1774895955), (543, 1513401155), (905, 908040693), (915, 898116751), (1267, 648600495), (1281, 641511965), (1389, 591631985), (1531, 536758215), (2135, 384907179), (2315, 354979191), (2715, 302680231), (3241, 253556565), (3801, 216200165), (4593, 178919405), (6335, 129720099), (6405, 128302393), (6945, 118326397), (7655, 107351643), (9723, 84518855), (10717, 76679745), (11041, 74429565), (16205, 50711313), (19005, 43240033), (22965, 35783881), (28243, 29096655), (32151, 25559915), (33123, 24809855), (48615, 16903771), (53585, 15335949), (55205, 14885913), (77287, 10632795), (83803, 9806055), (84729, 9698885), (93391, 8799315), (141215, 5819331), (160755, 5111983), (165615, 4961971), (197701, 4156665), (231861, 3544265), (251409, 3268685), (277111, 2965515), (280173, 2933105), (386435, 2126559), (419015, 1961211), (423645, 1939777), (466955, 1759863), (586621, 1400865), (593103, 1385555), (653737, 1257045), (708853, 1159305), (831333, 988505)]