80217729

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{40699}}^1$

素因数の和:40781

約数の個数: 16

約数和(自身を含む): 120472000

約数和(自身を除く): 40254271

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 40699, 122097, 366291, 1098873, 2971027, 8913081, 26739243, 80217729]

約数ペア:

[(1, 80217729), (3, 26739243), (9, 8913081), (27, 2971027), (73, 1098873), (219, 366291), (657, 122097), (1971, 40699)]