25817475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20249}}^1$

素因数の和:20279

約数の個数: 24

約数和(自身を含む): 45198000

約数和(自身を除く): 19380525

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 20249, 60747, 101245, 303735, 344233, 506225, 1032699, 1518675, 1721165, 5163495, 8605825, 25817475]

約数ペア:

[(1, 25817475), (3, 8605825), (5, 5163495), (15, 1721165), (17, 1518675), (25, 1032699), (51, 506225), (75, 344233), (85, 303735), (255, 101245), (425, 60747), (1275, 20249)]