28839225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22619}}^1$

素因数の和:22649

約数の個数: 24

約数和(自身を含む): 50487840

約数和(自身を除く): 21648615

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22619, 67857, 113095, 339285, 384523, 565475, 1153569, 1696425, 1922615, 5767845, 9613075, 28839225]

約数ペア:

[(1, 28839225), (3, 9613075), (5, 5767845), (15, 1922615), (17, 1696425), (25, 1153569), (51, 565475), (75, 384523), (85, 339285), (255, 113095), (425, 67857), (1275, 22619)]