1312831791657

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{786901}}^1$

素因数の和:787435

約数の個数: 40

約数和(自身を含む): 2010943799040

約数和(自身を除く): 698112007383

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 479, 1161, 1437, 3483, 4311, 12933, 20597, 38799, 61791, 185373, 556119, 786901, 1668357, 2360703, 7082109, 21246327, 33836743, 63738981, 101510229, 304530687, 376925579, 913592061, 1130776737, 2740776183, 3392330211, 10176990633, 16207799897, 30530971899, 48623399691, 145870199073, 437610597219, 1312831791657]

約数ペア:

[(1, 1312831791657), (3, 437610597219), (9, 145870199073), (27, 48623399691), (43, 30530971899), (81, 16207799897), (129, 10176990633), (387, 3392330211), (479, 2740776183), (1161, 1130776737), (1437, 913592061), (3483, 376925579), (4311, 304530687), (12933, 101510229), (20597, 63738981), (38799, 33836743), (61791, 21246327), (185373, 7082109), (556119, 2360703), (786901, 1668357)]