81059859

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 134835624

約数和(自身を除く): 53775765

約数列:

[1, 3, 9, 17, 27, 37, 43, 51, 81, 111, 129, 153, 333, 387, 459, 629, 731, 999, 1161, 1369, 1377, 1591, 1887, 2193, 2997, 3483, 4107, 4773, 5661, 6579, 12321, 14319, 16983, 19737, 23273, 27047, 36963, 42957, 50949, 58867, 59211, 69819, 81141, 110889, 128871, 176601, 209457, 243423, 529803, 628371, 730269, 1000739, 1589409, 1885113, 2190807, 3002217, 4768227, 9006651, 27019953, 81059859]

約数ペア:

[(1, 81059859), (3, 27019953), (9, 9006651), (17, 4768227), (27, 3002217), (37, 2190807), (43, 1885113), (51, 1589409), (81, 1000739), (111, 730269), (129, 628371), (153, 529803), (333, 243423), (387, 209457), (459, 176601), (629, 128871), (731, 110889), (999, 81141), (1161, 69819), (1369, 59211), (1377, 58867), (1591, 50949), (1887, 42957), (2193, 36963), (2997, 27047), (3483, 23273), (4107, 19737), (4773, 16983), (5661, 14319), (6579, 12321)]