16656921

素因数分解:

$3^6\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 28

約数和(自身を含む): 25396948

約数和(自身を除く): 8740027

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 313, 657, 729, 939, 1971, 2817, 5913, 8451, 17739, 22849, 25353, 53217, 68547, 76059, 205641, 228177, 616923, 1850769, 5552307, 16656921]

約数ペア:

[(1, 16656921), (3, 5552307), (9, 1850769), (27, 616923), (73, 228177), (81, 205641), (219, 76059), (243, 68547), (313, 53217), (657, 25353), (729, 22849), (939, 17739), (1971, 8451), (2817, 5913)]