2190720897

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{659657}}^1$

素因数の和:659710

約数の個数: 20

約数和(自身を含む): 3352381956

約数和(自身を除く): 1161661059

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 659657, 1978971, 5936913, 17810739, 27045937, 53432217, 81137811, 243413433, 730240299, 2190720897]

約数ペア:

[(1, 2190720897), (3, 730240299), (9, 243413433), (27, 81137811), (41, 53432217), (81, 27045937), (123, 17810739), (369, 5936913), (1107, 1978971), (3321, 659657)]