16997391

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 26634240

約数和(自身を除く): 9636849

約数列:

[1, 3, 9, 23, 27, 69, 101, 207, 271, 303, 621, 813, 909, 2323, 2439, 2727, 6233, 6969, 7317, 18699, 20907, 27371, 56097, 62721, 82113, 168291, 246339, 629533, 739017, 1888599, 5665797, 16997391]

約数ペア:

[(1, 16997391), (3, 5665797), (9, 1888599), (23, 739017), (27, 629533), (69, 246339), (101, 168291), (207, 82113), (271, 62721), (303, 56097), (621, 27371), (813, 20907), (909, 18699), (2323, 7317), (2439, 6969), (2727, 6233)]