17961801921

素因数分解:

$3^4\times 7^1\times {\mathrm{4999}}^1\times {\mathrm{6337}}^1$

素因数の和:11355

約数の個数: 40

約数和(自身を含む): 30675920000

約数和(自身を除く): 12714118079

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4999, 6337, 14997, 19011, 34993, 44359, 44991, 57033, 104979, 133077, 134973, 171099, 314937, 399231, 404919, 513297, 944811, 1197693, 2834433, 3593079, 31678663, 95035989, 221750641, 285107967, 665251923, 855323901, 1995755769, 2565971703, 5987267307, 17961801921]

約数ペア:

[(1, 17961801921), (3, 5987267307), (7, 2565971703), (9, 1995755769), (21, 855323901), (27, 665251923), (63, 285107967), (81, 221750641), (189, 95035989), (567, 31678663), (4999, 3593079), (6337, 2834433), (14997, 1197693), (19011, 944811), (34993, 513297), (44359, 404919), (44991, 399231), (57033, 314937), (104979, 171099), (133077, 134973)]