81327961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 103420800

約数和(自身を除く): 22092839

約数列:

[1, 11, 13, 19, 37, 143, 209, 247, 407, 481, 703, 809, 2717, 5291, 7733, 8899, 9139, 10517, 15371, 29933, 100529, 115687, 169081, 199823, 329263, 389129, 568727, 2198053, 4280419, 6255997, 7393451, 81327961]

約数ペア:

[(1, 81327961), (11, 7393451), (13, 6255997), (19, 4280419), (37, 2198053), (143, 568727), (209, 389129), (247, 329263), (407, 199823), (481, 169081), (703, 115687), (809, 100529), (2717, 29933), (5291, 15371), (7733, 10517), (8899, 9139)]