81760861

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 105224280

約数和(自身を除く): 23463419

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1813, 3367, 3469, 23569, 24283, 45097, 128353, 169981, 315679, 898471, 1668589, 2209753, 6289297, 11680123, 81760861]

約数ペア:

[(1, 81760861), (7, 11680123), (13, 6289297), (37, 2209753), (49, 1668589), (91, 898471), (259, 315679), (481, 169981), (637, 128353), (1813, 45097), (3367, 24283), (3469, 23569)]