66538857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4149

約数の個数: 32

約数和(自身を含む): 112195584

約数和(自身を除く): 45656727

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 4057, 5467, 12171, 16401, 28399, 44627, 85197, 133881, 288047, 312389, 864141, 937167, 2016329, 3168517, 6048987, 9505551, 22179619, 66538857]

約数ペア:

[(1, 66538857), (3, 22179619), (7, 9505551), (11, 6048987), (21, 3168517), (33, 2016329), (71, 937167), (77, 864141), (213, 312389), (231, 288047), (497, 133881), (781, 85197), (1491, 44627), (2343, 28399), (4057, 16401), (5467, 12171)]