28143075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22073}}^1$

素因数の和:22103

約数の個数: 24

約数和(自身を含む): 49269168

約数和(自身を除く): 21126093

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22073, 66219, 110365, 331095, 375241, 551825, 1125723, 1655475, 1876205, 5628615, 9381025, 28143075]

約数ペア:

[(1, 28143075), (3, 9381025), (5, 5628615), (15, 1876205), (17, 1655475), (25, 1125723), (51, 551825), (75, 375241), (85, 331095), (255, 110365), (425, 66219), (1275, 22073)]