27827955

素因数分解:

$3^4\times 5^1\times {\mathrm{68711}}^1$

素因数の和:68728

約数の個数: 20

約数和(自身を含む): 49884912

約数和(自身を除く): 22056957

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68711, 206133, 343555, 618399, 1030665, 1855197, 3091995, 5565591, 9275985, 27827955]

約数ペア:

[(1, 27827955), (3, 9275985), (5, 5565591), (9, 3091995), (15, 1855197), (27, 1030665), (45, 618399), (81, 343555), (135, 206133), (405, 68711)]