2971507

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3898800

約数和(自身を除く): 927293

約数列:

[1, 7, 11, 37, 49, 77, 149, 259, 407, 539, 1043, 1639, 1813, 2849, 5513, 7301, 11473, 19943, 38591, 60643, 80311, 270137, 424501, 2971507]

約数ペア:

[(1, 2971507), (7, 424501), (11, 270137), (37, 80311), (49, 60643), (77, 38591), (149, 19943), (259, 11473), (407, 7301), (539, 5513), (1043, 2849), (1639, 1813)]