209211657

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{27817}}^1$

素因数の和:27952

約数の個数: 16

約数和(自身を含む): 293758080

約数和(自身を除く): 84546423

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 27817, 83451, 639791, 1919373, 3032053, 9096159, 69737219, 209211657]

約数ペア:

[(1, 209211657), (3, 69737219), (23, 9096159), (69, 3032053), (109, 1919373), (327, 639791), (2507, 83451), (7521, 27817)]