199391031

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17881}}^1$

素因数の和:17956

約数の個数: 32

約数和(自身を含む): 343334400

約数和(自身を除く): 143943369

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 3717, 11151, 17881, 53643, 125167, 160929, 375501, 482787, 1054979, 1126503, 3164937, 3379509, 7384853, 9494811, 22154559, 28484433, 66463677, 199391031]

約数ペア:

[(1, 199391031), (3, 66463677), (7, 28484433), (9, 22154559), (21, 9494811), (27, 7384853), (59, 3379509), (63, 3164937), (177, 1126503), (189, 1054979), (413, 482787), (531, 375501), (1239, 160929), (1593, 125167), (3717, 53643), (11151, 17881)]