2009557431

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{95789}}^1$

素因数の和:95845

約数の個数: 40

約数和(自身を含む): 3523539360

約数和(自身を除く): 1513981929

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 20979, 95789, 287367, 670523, 862101, 2011569, 2586303, 3544193, 6034707, 7758909, 10632579, 18104121, 24809351, 31897737, 54312363, 74428053, 95693211, 223284159, 287079633, 669852477, 2009557431]

約数ペア:

[(1, 2009557431), (3, 669852477), (7, 287079633), (9, 223284159), (21, 95693211), (27, 74428053), (37, 54312363), (63, 31897737), (81, 24809351), (111, 18104121), (189, 10632579), (259, 7758909), (333, 6034707), (567, 3544193), (777, 2586303), (999, 2011569), (2331, 862101), (2997, 670523), (6993, 287367), (20979, 95789)]