81608925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{64007}}^1$

素因数の和:64037

約数の個数: 24

約数和(自身を含む): 142865856

約数和(自身を除く): 61256931

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 64007, 192021, 320035, 960105, 1088119, 1600175, 3264357, 4800525, 5440595, 16321785, 27202975, 81608925]

約数ペア:

[(1, 81608925), (3, 27202975), (5, 16321785), (15, 5440595), (17, 4800525), (25, 3264357), (51, 1600175), (75, 1088119), (85, 960105), (255, 320035), (425, 192021), (1275, 64007)]