201945879

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{28657}}^1$

素因数の和:28701

約数の個数: 24

約数和(自身を含む): 312945360

約数和(自身を除く): 110999481

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047, 28657, 85971, 257913, 773739, 831053, 2321217, 2493159, 6963651, 7479477, 22438431, 67315293, 201945879]

約数ペア:

[(1, 201945879), (3, 67315293), (9, 22438431), (27, 7479477), (29, 6963651), (81, 2493159), (87, 2321217), (243, 831053), (261, 773739), (783, 257913), (2349, 85971), (7047, 28657)]