7290729

素因数分解:

$3^6\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 28

約数和(自身を含む): 11161716

約数和(自身を除く): 3870987

約数列:

[1, 3, 9, 27, 73, 81, 137, 219, 243, 411, 657, 729, 1233, 1971, 3699, 5913, 10001, 11097, 17739, 30003, 33291, 53217, 90009, 99873, 270027, 810081, 2430243, 7290729]

約数ペア:

[(1, 7290729), (3, 2430243), (9, 810081), (27, 270027), (73, 99873), (81, 90009), (137, 53217), (219, 33291), (243, 30003), (411, 17739), (657, 11097), (729, 10001), (1233, 5913), (1971, 3699)]