128133825

素因数分解:

$3^1\times 5^2\times {\mathrm{643}}^1\times {\mathrm{2657}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 212257248

約数和(自身を除く): 84123423

約数列:

[1, 3, 5, 15, 25, 75, 643, 1929, 2657, 3215, 7971, 9645, 13285, 16075, 39855, 48225, 66425, 199275, 1708451, 5125353, 8542255, 25626765, 42711275, 128133825]

約数ペア:

[(1, 128133825), (3, 42711275), (5, 25626765), (15, 8542255), (25, 5125353), (75, 1708451), (643, 199275), (1929, 66425), (2657, 48225), (3215, 39855), (7971, 16075), (9645, 13285)]