165681207

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{6577}}^1$

素因数の和:6900

約数の個数: 20

約数和(自身を含む): 248332656

約数和(自身を除く): 82651449

約数列:

[1, 3, 9, 27, 81, 311, 933, 2799, 6577, 8397, 19731, 25191, 59193, 177579, 532737, 2045447, 6136341, 18409023, 55227069, 165681207]

約数ペア:

[(1, 165681207), (3, 55227069), (9, 18409023), (27, 6136341), (81, 2045447), (311, 532737), (933, 177579), (2799, 59193), (6577, 25191), (8397, 19731)]