81977311

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 91431648

約数和(自身を除く): 9454337

約数列:

[1, 13, 37, 131, 481, 1301, 1703, 4847, 16913, 48137, 63011, 170431, 625781, 2215603, 6305947, 81977311]

約数ペア:

[(1, 81977311), (13, 6305947), (37, 2215603), (131, 625781), (481, 170431), (1301, 63011), (1703, 48137), (4847, 16913)]