1280865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5023}}^1$

素因数の和:5048

約数の個数: 16

約数和(自身を含む): 2170368

約数和(自身を除く): 889503

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5023, 15069, 25115, 75345, 85391, 256173, 426955, 1280865]

約数ペア:

[(1, 1280865), (3, 426955), (5, 256173), (15, 85391), (17, 75345), (51, 25115), (85, 15069), (255, 5023)]