263007

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 20

約数和(自身を含む): 418176

約数和(自身を除く): 155169

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 191, 459, 573, 1377, 1719, 3247, 5157, 9741, 15471, 29223, 87669, 263007]

約数ペア:

[(1, 263007), (3, 87669), (9, 29223), (17, 15471), (27, 9741), (51, 5157), (81, 3247), (153, 1719), (191, 1377), (459, 573)]