287130249

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{17597}}^1$

素因数の和:17654

約数の個数: 36

約数和(自身を含む): 495524484

約数和(自身を除く): 208394235

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 16317, 17597, 52791, 123179, 158373, 369537, 651089, 862253, 1108611, 1953267, 2586759, 4557623, 5859801, 7760277, 13672869, 31903361, 41018607, 95710083, 287130249]

約数ペア:

[(1, 287130249), (3, 95710083), (7, 41018607), (9, 31903361), (21, 13672869), (37, 7760277), (49, 5859801), (63, 4557623), (111, 2586759), (147, 1953267), (259, 1108611), (333, 862253), (441, 651089), (777, 369537), (1813, 158373), (2331, 123179), (5439, 52791), (16317, 17597)]