81301319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2662

約数の個数: 16

約数和(自身を含む): 92171520

約数和(自身を除く): 10870201

約数列:

[1, 11, 41, 71, 451, 781, 2539, 2911, 27929, 32021, 104099, 180269, 1145089, 1982959, 7391029, 81301319]

約数ペア:

[(1, 81301319), (11, 7391029), (41, 1982959), (71, 1145089), (451, 180269), (781, 104099), (2539, 32021), (2911, 27929)]