221423274

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 502001280

約数和(自身を除く): 280578006

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 131, 226, 262, 277, 339, 393, 554, 678, 786, 831, 1017, 1179, 1662, 2034, 2358, 2493, 3051, 3537, 4986, 6102, 7074, 7479, 14803, 14958, 29606, 31301, 36287, 44409, 62602, 72574, 88818, 93903, 108861, 133227, 187806, 217722, 266454, 281709, 326583, 399681, 563418, 653166, 799362, 845127, 979749, 1690254, 1959498, 4100431, 8200862, 12301293, 24602586, 36903879, 73807758, 110711637, 221423274]

約数ペア:

[(1, 221423274), (2, 110711637), (3, 73807758), (6, 36903879), (9, 24602586), (18, 12301293), (27, 8200862), (54, 4100431), (113, 1959498), (131, 1690254), (226, 979749), (262, 845127), (277, 799362), (339, 653166), (393, 563418), (554, 399681), (678, 326583), (786, 281709), (831, 266454), (1017, 217722), (1179, 187806), (1662, 133227), (2034, 108861), (2358, 93903), (2493, 88818), (3051, 72574), (3537, 62602), (4986, 44409), (6102, 36287), (7074, 31301), (7479, 29606), (14803, 14958)]