205251321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1733}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 309955968

約数和(自身を除く): 104704647

約数列:

[1, 3, 11, 33, 37, 97, 111, 291, 407, 1067, 1221, 1733, 3201, 3589, 5199, 10767, 19063, 39479, 57189, 64121, 118437, 168101, 192363, 504303, 705331, 1849111, 2115993, 5547333, 6219737, 18659211, 68417107, 205251321]

約数ペア:

[(1, 205251321), (3, 68417107), (11, 18659211), (33, 6219737), (37, 5547333), (97, 2115993), (111, 1849111), (291, 705331), (407, 504303), (1067, 192363), (1221, 168101), (1733, 118437), (3201, 64121), (3589, 57189), (5199, 39479), (10767, 19063)]