1280404215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1673731}}^1$

素因数の和:1673759

約数の個数: 24

約数和(自身を含む): 2349919728

約数和(自身を除く): 1069515513

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1673731, 5021193, 8368655, 15063579, 25105965, 28453427, 75317895, 85360281, 142267135, 256080843, 426801405, 1280404215]

約数ペア:

[(1, 1280404215), (3, 426801405), (5, 256080843), (9, 142267135), (15, 85360281), (17, 75317895), (45, 28453427), (51, 25105965), (85, 15063579), (153, 8368655), (255, 5021193), (765, 1673731)]