214990857

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{82657}}^1$

素因数の和:82697

約数の個数: 18

約数和(自身を含む): 329888078

約数和(自身を除く): 114897221

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 82657, 247971, 743913, 1405169, 4215507, 12646521, 23887873, 71663619, 214990857]

約数ペア:

[(1, 214990857), (3, 71663619), (9, 23887873), (17, 12646521), (51, 4215507), (153, 1405169), (289, 743913), (867, 247971), (2601, 82657)]