81063585

素因数分解:

$3^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 147079296

約数和(自身を除く): 66015711

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 243, 405, 411, 487, 685, 1215, 1233, 1461, 2055, 2435, 3699, 4383, 6165, 7305, 11097, 13149, 18495, 21915, 33291, 39447, 55485, 65745, 66719, 118341, 166455, 197235, 200157, 333595, 591705, 600471, 1000785, 1801413, 3002355, 5404239, 9007065, 16212717, 27021195, 81063585]

約数ペア:

[(1, 81063585), (3, 27021195), (5, 16212717), (9, 9007065), (15, 5404239), (27, 3002355), (45, 1801413), (81, 1000785), (135, 600471), (137, 591705), (243, 333595), (405, 200157), (411, 197235), (487, 166455), (685, 118341), (1215, 66719), (1233, 65745), (1461, 55485), (2055, 39447), (2435, 33291), (3699, 21915), (4383, 18495), (6165, 13149), (7305, 11097)]