81455907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3043

約数の個数: 32

約数和(自身を含む): 126488320

約数和(自身を除く): 45032413

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 2971, 8913, 9139, 27417, 38623, 56449, 109927, 115869, 169347, 329781, 733837, 1429051, 2088613, 2201511, 4287153, 6265839, 27151969, 81455907]

約数ペア:

[(1, 81455907), (3, 27151969), (13, 6265839), (19, 4287153), (37, 2201511), (39, 2088613), (57, 1429051), (111, 733837), (247, 329781), (481, 169347), (703, 115869), (741, 109927), (1443, 56449), (2109, 38623), (2971, 27417), (8913, 9139)]