128570895

素因数分解:

$3^4\times 5^1\times {\mathrm{317459}}^1$

素因数の和:317476

約数の個数: 20

約数和(自身を含む): 230475960

約数和(自身を除く): 101905065

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 317459, 952377, 1587295, 2857131, 4761885, 8571393, 14285655, 25714179, 42856965, 128570895]

約数ペア:

[(1, 128570895), (3, 42856965), (5, 25714179), (9, 14285655), (15, 8571393), (27, 4761885), (45, 2857131), (81, 1587295), (135, 952377), (405, 317459)]