1280443485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5021347}}^1$

素因数の和:5021372

約数の個数: 16

約数和(自身を含む): 2169222336

約数和(自身を除く): 888778851

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5021347, 15064041, 25106735, 75320205, 85362899, 256088697, 426814495, 1280443485]

約数ペア:

[(1, 1280443485), (3, 426814495), (5, 256088697), (15, 85362899), (17, 75320205), (51, 25106735), (85, 15064041), (255, 5021347)]