1703997

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 20

約数和(自身を含む): 2582140

約数和(自身を除く): 878143

約数列:

[1, 3, 9, 27, 81, 109, 193, 327, 579, 981, 1737, 2943, 5211, 8829, 15633, 21037, 63111, 189333, 567999, 1703997]

約数ペア:

[(1, 1703997), (3, 567999), (9, 189333), (27, 63111), (81, 21037), (109, 15633), (193, 8829), (327, 5211), (579, 2943), (981, 1737)]