72218289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 114766848

約数和(自身を除く): 42548559

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 2343, 2371, 2769, 7113, 10153, 26081, 30459, 30823, 78243, 92469, 168341, 339053, 505023, 1017159, 1851751, 2188433, 5555253, 6565299, 24072763, 72218289]

約数ペア:

[(1, 72218289), (3, 24072763), (11, 6565299), (13, 5555253), (33, 2188433), (39, 1851751), (71, 1017159), (143, 505023), (213, 339053), (429, 168341), (781, 92469), (923, 78243), (2343, 30823), (2371, 30459), (2769, 26081), (7113, 10153)]