289293849

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1069}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 467645640

約数和(自身を除く): 178351791

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 257, 351, 771, 1053, 1069, 2313, 3207, 3341, 6939, 9621, 10023, 13897, 20817, 28863, 30069, 41691, 86589, 90207, 125073, 270621, 274733, 375219, 824199, 1125657, 2472597, 3571529, 7417791, 10714587, 22253373, 32143761, 96431283, 289293849]

約数ペア:

[(1, 289293849), (3, 96431283), (9, 32143761), (13, 22253373), (27, 10714587), (39, 7417791), (81, 3571529), (117, 2472597), (257, 1125657), (351, 824199), (771, 375219), (1053, 274733), (1069, 270621), (2313, 125073), (3207, 90207), (3341, 86589), (6939, 41691), (9621, 30069), (10023, 28863), (13897, 20817)]