80984211

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 143735760

約数和(自身を除く): 62751549

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 121, 147, 157, 203, 231, 319, 363, 471, 539, 609, 847, 957, 1099, 1421, 1617, 1727, 2233, 2541, 3297, 3509, 4263, 4553, 5181, 5929, 6699, 7693, 10527, 12089, 13659, 15631, 17787, 18997, 23079, 24563, 31871, 36267, 46893, 50083, 56991, 73689, 84623, 95613, 132979, 150249, 171941, 223097, 253869, 350581, 398937, 515823, 550913, 669291, 930853, 1051743, 1652739, 2454067, 2792559, 3856391, 7362201, 11569173, 26994737, 80984211]

約数ペア:

[(1, 80984211), (3, 26994737), (7, 11569173), (11, 7362201), (21, 3856391), (29, 2792559), (33, 2454067), (49, 1652739), (77, 1051743), (87, 930853), (121, 669291), (147, 550913), (157, 515823), (203, 398937), (231, 350581), (319, 253869), (363, 223097), (471, 171941), (539, 150249), (609, 132979), (847, 95613), (957, 84623), (1099, 73689), (1421, 56991), (1617, 50083), (1727, 46893), (2233, 36267), (2541, 31871), (3297, 24563), (3509, 23079), (4263, 18997), (4553, 17787), (5181, 15631), (5929, 13659), (6699, 12089), (7693, 10527)]