2009091279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{17881}}^1$

素因数の和:18007

約数の個数: 32

約数和(自身を含む): 2996164864

約数和(自身を除く): 987073585

約数列:

[1, 3, 13, 39, 43, 67, 129, 201, 559, 871, 1677, 2613, 2881, 8643, 17881, 37453, 53643, 112359, 232453, 697359, 768883, 1198027, 2306649, 3594081, 9995479, 15574351, 29986437, 46723053, 51515161, 154545483, 669697093, 2009091279]

約数ペア:

[(1, 2009091279), (3, 669697093), (13, 154545483), (39, 51515161), (43, 46723053), (67, 29986437), (129, 15574351), (201, 9995479), (559, 3594081), (871, 2306649), (1677, 1198027), (2613, 768883), (2881, 697359), (8643, 232453), (17881, 112359), (37453, 53643)]