8520825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 15374016

約数和(自身を除く): 6853191

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 163, 205, 255, 425, 489, 615, 697, 815, 1025, 1275, 2091, 2445, 2771, 3075, 3485, 4075, 6683, 8313, 10455, 12225, 13855, 17425, 20049, 33415, 41565, 52275, 69275, 100245, 113611, 167075, 207825, 340833, 501225, 568055, 1704165, 2840275, 8520825]

約数ペア:

[(1, 8520825), (3, 2840275), (5, 1704165), (15, 568055), (17, 501225), (25, 340833), (41, 207825), (51, 167075), (75, 113611), (85, 100245), (123, 69275), (163, 52275), (205, 41565), (255, 33415), (425, 20049), (489, 17425), (615, 13855), (697, 12225), (815, 10455), (1025, 8313), (1275, 6683), (2091, 4075), (2445, 3485), (2771, 3075)]