201756969

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{77569}}^1$

素因数の和:77609

約数の個数: 18

約数和(自身を含む): 309581870

約数和(自身を除く): 107824901

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 77569, 232707, 698121, 1318673, 3956019, 11868057, 22417441, 67252323, 201756969]

約数ペア:

[(1, 201756969), (3, 67252323), (9, 22417441), (17, 11868057), (51, 3956019), (153, 1318673), (289, 698121), (867, 232707), (2601, 77569)]