25456905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 21852279

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 255, 311, 321, 535, 765, 933, 963, 1555, 1605, 1819, 2799, 4665, 4815, 5287, 5457, 9095, 13995, 15861, 16371, 26435, 27285, 33277, 47583, 79305, 81855, 99831, 166385, 237915, 299493, 499155, 565709, 1497465, 1697127, 2828545, 5091381, 8485635, 25456905]

約数ペア:

[(1, 25456905), (3, 8485635), (5, 5091381), (9, 2828545), (15, 1697127), (17, 1497465), (45, 565709), (51, 499155), (85, 299493), (107, 237915), (153, 166385), (255, 99831), (311, 81855), (321, 79305), (535, 47583), (765, 33277), (933, 27285), (963, 26435), (1555, 16371), (1605, 15861), (1819, 13995), (2799, 9095), (4665, 5457), (4815, 5287)]