1999713951

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 3062404800

約数和(自身を除く): 1062690849

約数列:

[1, 3, 9, 37, 41, 111, 123, 149, 333, 369, 447, 983, 1341, 1517, 2949, 4551, 5513, 6109, 8847, 13653, 16539, 18327, 36371, 40303, 49617, 54981, 109113, 120909, 146467, 226033, 327339, 362727, 439401, 678099, 1318203, 1491211, 2034297, 4473633, 5419279, 6005147, 13420899, 16257837, 18015441, 48773511, 54046323, 222190439, 666571317, 1999713951]

約数ペア:

[(1, 1999713951), (3, 666571317), (9, 222190439), (37, 54046323), (41, 48773511), (111, 18015441), (123, 16257837), (149, 13420899), (333, 6005147), (369, 5419279), (447, 4473633), (983, 2034297), (1341, 1491211), (1517, 1318203), (2949, 678099), (4551, 439401), (5513, 362727), (6109, 327339), (8847, 226033), (13653, 146467), (16539, 120909), (18327, 109113), (36371, 54981), (40303, 49617)]