12642567

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 7581945

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 307, 371, 777, 921, 1113, 1961, 2149, 5883, 6447, 11359, 13727, 16271, 34077, 41181, 48813, 79513, 113897, 238539, 341691, 602027, 1806081, 4214189, 12642567]

約数ペア:

[(1, 12642567), (3, 4214189), (7, 1806081), (21, 602027), (37, 341691), (53, 238539), (111, 113897), (159, 79513), (259, 48813), (307, 41181), (371, 34077), (777, 16271), (921, 13727), (1113, 11359), (1961, 6447), (2149, 5883)]