81243357

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 124242048

約数和(自身を除く): 42998691

約数列:

[1, 3, 13, 17, 39, 51, 221, 283, 433, 663, 849, 1299, 3679, 4811, 5629, 7361, 11037, 14433, 16887, 22083, 62543, 95693, 122539, 187629, 287079, 367617, 1593007, 2083163, 4779021, 6249489, 27081119, 81243357]

約数ペア:

[(1, 81243357), (3, 27081119), (13, 6249489), (17, 4779021), (39, 2083163), (51, 1593007), (221, 367617), (283, 287079), (433, 187629), (663, 122539), (849, 95693), (1299, 62543), (3679, 22083), (4811, 16887), (5629, 14433), (7361, 11037)]