15669920889

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{4243}}^1$

素因数の和:4379

約数の個数: 72

約数和(自身を含む): 27173754816

約数和(自身を除く): 11503833927

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 279, 427, 549, 651, 961, 1281, 1891, 1953, 2883, 3843, 4243, 5673, 6727, 8649, 12729, 13237, 17019, 20181, 29701, 38187, 39711, 58621, 60543, 89103, 119133, 131533, 175863, 258823, 267309, 394599, 410347, 527589, 776469, 920731, 1183797, 1231041, 1811761, 2329407, 2762193, 3693123, 4077523, 5435283, 8023513, 8286579, 12232569, 16305849, 24070539, 28542661, 36697707, 56164591, 72211617, 85627983, 168493773, 248728903, 256883949, 505481319, 746186709, 1741102321, 2238560127, 5223306963, 15669920889]

約数ペア:

[(1, 15669920889), (3, 5223306963), (7, 2238560127), (9, 1741102321), (21, 746186709), (31, 505481319), (61, 256883949), (63, 248728903), (93, 168493773), (183, 85627983), (217, 72211617), (279, 56164591), (427, 36697707), (549, 28542661), (651, 24070539), (961, 16305849), (1281, 12232569), (1891, 8286579), (1953, 8023513), (2883, 5435283), (3843, 4077523), (4243, 3693123), (5673, 2762193), (6727, 2329407), (8649, 1811761), (12729, 1231041), (13237, 1183797), (17019, 920731), (20181, 776469), (29701, 527589), (38187, 410347), (39711, 394599), (58621, 267309), (60543, 258823), (89103, 175863), (119133, 131533)]