81365661

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3929}}^1$

素因数の和:4010

約数の個数: 32

約数和(自身を含む): 132048000

約数和(自身を除く): 50682339

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1593, 2301, 3929, 6903, 11787, 20709, 35361, 51077, 106083, 153231, 231811, 459693, 695433, 1379079, 2086299, 3013543, 6258897, 9040629, 27121887, 81365661]

約数ペア:

[(1, 81365661), (3, 27121887), (9, 9040629), (13, 6258897), (27, 3013543), (39, 2086299), (59, 1379079), (117, 695433), (177, 459693), (351, 231811), (531, 153231), (767, 106083), (1593, 51077), (2301, 35361), (3929, 20709), (6903, 11787)]