660147279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 981227520

約数和(自身を除く): 321080241

約数列:

[1, 3, 11, 33, 71, 139, 213, 417, 781, 1529, 2027, 2343, 4587, 6081, 9869, 22297, 29607, 66891, 108559, 143917, 281753, 325677, 431751, 845259, 1583087, 3099283, 4749261, 9297849, 20004463, 60013389, 220049093, 660147279]

約数ペア:

[(1, 660147279), (3, 220049093), (11, 60013389), (33, 20004463), (71, 9297849), (139, 4749261), (213, 3099283), (417, 1583087), (781, 845259), (1529, 431751), (2027, 325677), (2343, 281753), (4587, 143917), (6081, 108559), (9869, 66891), (22297, 29607)]