28571475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22409}}^1$

素因数の和:22439

約数の個数: 24

約数和(自身を含む): 50019120

約数和(自身を除く): 21447645

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22409, 67227, 112045, 336135, 380953, 560225, 1142859, 1680675, 1904765, 5714295, 9523825, 28571475]

約数ペア:

[(1, 28571475), (3, 9523825), (5, 5714295), (15, 1904765), (17, 1680675), (25, 1142859), (51, 560225), (75, 380953), (85, 336135), (255, 112045), (425, 67227), (1275, 22409)]