138913437

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{881}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 201434688

約数和(自身を除く): 62521251

約数列:

[1, 3, 13, 39, 169, 311, 507, 881, 933, 2643, 4043, 11453, 12129, 34359, 52559, 148889, 157677, 273991, 446667, 821973, 3561883, 10685649, 46304479, 138913437]

約数ペア:

[(1, 138913437), (3, 46304479), (13, 10685649), (39, 3561883), (169, 821973), (311, 446667), (507, 273991), (881, 157677), (933, 148889), (2643, 52559), (4043, 34359), (11453, 12129)]