25551675

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 49649600

約数和(自身を除く): 24097925

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 139, 171, 215, 225, 285, 387, 417, 475, 645, 695, 817, 855, 1075, 1251, 1425, 1935, 2085, 2451, 2641, 3225, 3475, 4085, 4275, 5977, 6255, 7353, 7923, 9675, 10425, 12255, 13205, 17931, 20425, 23769, 29885, 31275, 36765, 39615, 53793, 61275, 66025, 89655, 113563, 118845, 149425, 183825, 198075, 268965, 340689, 448275, 567815, 594225, 1022067, 1344825, 1703445, 2839075, 5110335, 8517225, 25551675]

約数ペア:

[(1, 25551675), (3, 8517225), (5, 5110335), (9, 2839075), (15, 1703445), (19, 1344825), (25, 1022067), (43, 594225), (45, 567815), (57, 448275), (75, 340689), (95, 268965), (129, 198075), (139, 183825), (171, 149425), (215, 118845), (225, 113563), (285, 89655), (387, 66025), (417, 61275), (475, 53793), (645, 39615), (695, 36765), (817, 31275), (855, 29885), (1075, 23769), (1251, 20425), (1425, 17931), (1935, 13205), (2085, 12255), (2451, 10425), (2641, 9675), (3225, 7923), (3475, 7353), (4085, 6255), (4275, 5977)]