207825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 366048

約数和(自身を除く): 158223

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 163, 255, 425, 489, 815, 1275, 2445, 2771, 4075, 8313, 12225, 13855, 41565, 69275, 207825]

約数ペア:

[(1, 207825), (3, 69275), (5, 41565), (15, 13855), (17, 12225), (25, 8313), (51, 4075), (75, 2771), (85, 2445), (163, 1275), (255, 815), (425, 489)]