78106791

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 123701248

約数和(自身を除く): 45594457

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 903, 1291, 1407, 2881, 3873, 8643, 9037, 20167, 27111, 55513, 60501, 86497, 166539, 259491, 388591, 605479, 1165773, 1816437, 3719371, 11158113, 26035597, 78106791]

約数ペア:

[(1, 78106791), (3, 26035597), (7, 11158113), (21, 3719371), (43, 1816437), (67, 1165773), (129, 605479), (201, 388591), (301, 259491), (469, 166539), (903, 86497), (1291, 60501), (1407, 55513), (2881, 27111), (3873, 20167), (8643, 9037)]