80693781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 57200619

約数列:

[1, 3, 7, 17, 21, 37, 41, 51, 111, 119, 123, 149, 259, 287, 357, 447, 629, 697, 777, 861, 1043, 1517, 1887, 2091, 2533, 3129, 4403, 4551, 4879, 5513, 6109, 7599, 10619, 13209, 14637, 16539, 17731, 18327, 25789, 31857, 38591, 42763, 53193, 77367, 93721, 103853, 115773, 128289, 180523, 226033, 281163, 311559, 541569, 656047, 678099, 726971, 1582231, 1968141, 2180913, 3842561, 4746693, 11527683, 26897927, 80693781]

約数ペア:

[(1, 80693781), (3, 26897927), (7, 11527683), (17, 4746693), (21, 3842561), (37, 2180913), (41, 1968141), (51, 1582231), (111, 726971), (119, 678099), (123, 656047), (149, 541569), (259, 311559), (287, 281163), (357, 226033), (447, 180523), (629, 128289), (697, 115773), (777, 103853), (861, 93721), (1043, 77367), (1517, 53193), (1887, 42763), (2091, 38591), (2533, 31857), (3129, 25789), (4403, 18327), (4551, 17731), (4879, 16539), (5513, 14637), (6109, 13209), (7599, 10619)]