25297275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19841}}^1$

素因数の和:19871

約数の個数: 24

約数和(自身を含む): 44287344

約数和(自身を除く): 18990069

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 19841, 59523, 99205, 297615, 337297, 496025, 1011891, 1488075, 1686485, 5059455, 8432425, 25297275]

約数ペア:

[(1, 25297275), (3, 8432425), (5, 5059455), (15, 1686485), (17, 1488075), (25, 1011891), (51, 496025), (75, 337297), (85, 297615), (255, 99205), (425, 59523), (1275, 19841)]