199978905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4871}}^1$

素因数の和:4926

約数の個数: 64

約数和(自身を含む): 404103168

約数和(自身を除く): 204124263

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 483, 595, 805, 1173, 1785, 1955, 2415, 2737, 4871, 5865, 8211, 13685, 14613, 24355, 34097, 41055, 73065, 82807, 102291, 112033, 170485, 248421, 336099, 414035, 511455, 560165, 579649, 784231, 1242105, 1680495, 1738947, 1904561, 2352693, 2898245, 3921155, 5713683, 8694735, 9522805, 11763465, 13331927, 28568415, 39995781, 66659635, 199978905]

約数ペア:

[(1, 199978905), (3, 66659635), (5, 39995781), (7, 28568415), (15, 13331927), (17, 11763465), (21, 9522805), (23, 8694735), (35, 5713683), (51, 3921155), (69, 2898245), (85, 2352693), (105, 1904561), (115, 1738947), (119, 1680495), (161, 1242105), (255, 784231), (345, 579649), (357, 560165), (391, 511455), (483, 414035), (595, 336099), (805, 248421), (1173, 170485), (1785, 112033), (1955, 102291), (2415, 82807), (2737, 73065), (4871, 41055), (5865, 34097), (8211, 24355), (13685, 14613)]