866387907

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4542

約数の個数: 80

約数和(自身を含む): 1666013184

約数和(自身を除く): 799625277

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 81, 93, 99, 189, 217, 231, 279, 297, 341, 567, 651, 693, 837, 891, 1023, 1953, 2079, 2387, 2511, 3069, 4481, 5859, 6237, 7161, 9207, 13443, 17577, 21483, 27621, 31367, 40329, 49291, 64449, 94101, 120987, 138911, 147873, 193347, 282303, 345037, 362961, 416733, 443619, 846909, 972377, 1035111, 1250199, 1330857, 1528021, 2540727, 2917131, 3105333, 3750597, 3992571, 4584063, 8751393, 9315999, 10696147, 11251791, 13752189, 26254179, 27947997, 32088441, 41256567, 78762537, 96265323, 123769701, 288795969, 866387907]

約数ペア:

[(1, 866387907), (3, 288795969), (7, 123769701), (9, 96265323), (11, 78762537), (21, 41256567), (27, 32088441), (31, 27947997), (33, 26254179), (63, 13752189), (77, 11251791), (81, 10696147), (93, 9315999), (99, 8751393), (189, 4584063), (217, 3992571), (231, 3750597), (279, 3105333), (297, 2917131), (341, 2540727), (567, 1528021), (651, 1330857), (693, 1250199), (837, 1035111), (891, 972377), (1023, 846909), (1953, 443619), (2079, 416733), (2387, 362961), (2511, 345037), (3069, 282303), (4481, 193347), (5859, 147873), (6237, 138911), (7161, 120987), (9207, 94101), (13443, 64449), (17577, 49291), (21483, 40329), (27621, 31367)]