278319063

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{64381}}^1$

素因数の和:64526

約数の個数: 16

約数和(自身を含む): 407924352

約数和(自身を除く): 129605289

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 64381, 193143, 708191, 2124573, 8433911, 25301733, 92773021, 278319063]

約数ペア:

[(1, 278319063), (3, 92773021), (11, 25301733), (33, 8433911), (131, 2124573), (393, 708191), (1441, 193143), (4323, 64381)]