128434815

素因数分解:

$3^4\times 5^1\times {\mathrm{317123}}^1$

素因数の和:317140

約数の個数: 20

約数和(自身を含む): 230232024

約数和(自身を除く): 101797209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 317123, 951369, 1585615, 2854107, 4756845, 8562321, 14270535, 25686963, 42811605, 128434815]

約数ペア:

[(1, 128434815), (3, 42811605), (5, 25686963), (9, 14270535), (15, 8562321), (27, 4756845), (45, 2854107), (81, 1585615), (135, 951369), (405, 317123)]