81917667

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 132787200

約数和(自身を除く): 50869533

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 127, 149, 333, 381, 447, 481, 1143, 1341, 1443, 1651, 1937, 4329, 4699, 4953, 5513, 5811, 14097, 14859, 16539, 17433, 18923, 42291, 49617, 56769, 61087, 71669, 170307, 183261, 215007, 245999, 549783, 645021, 700151, 737997, 2100453, 2213991, 6301359, 9101963, 27305889, 81917667]

約数ペア:

[(1, 81917667), (3, 27305889), (9, 9101963), (13, 6301359), (37, 2213991), (39, 2100453), (111, 737997), (117, 700151), (127, 645021), (149, 549783), (333, 245999), (381, 215007), (447, 183261), (481, 170307), (1143, 71669), (1341, 61087), (1443, 56769), (1651, 49617), (1937, 42291), (4329, 18923), (4699, 17433), (4953, 16539), (5513, 14859), (5811, 14097)]