17808321

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 24510464

約数和(自身を除く): 6702143

約数列:

[1, 3, 43, 127, 129, 381, 1087, 3261, 5461, 16383, 46741, 138049, 140223, 414147, 5936107, 17808321]

約数ペア:

[(1, 17808321), (3, 5936107), (43, 414147), (127, 140223), (129, 138049), (381, 46741), (1087, 16383), (3261, 5461)]