8517225

素因数分解:

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

素因数の和:214

約数の個数: 48

約数和(自身を含む): 15276800

約数和(自身を除く): 6759575

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 139, 215, 285, 417, 475, 645, 695, 817, 1075, 1425, 2085, 2451, 2641, 3225, 3475, 4085, 5977, 7923, 10425, 12255, 13205, 17931, 20425, 29885, 39615, 61275, 66025, 89655, 113563, 149425, 198075, 340689, 448275, 567815, 1703445, 2839075, 8517225]

約数ペア:

[(1, 8517225), (3, 2839075), (5, 1703445), (15, 567815), (19, 448275), (25, 340689), (43, 198075), (57, 149425), (75, 113563), (95, 89655), (129, 66025), (139, 61275), (215, 39615), (285, 29885), (417, 20425), (475, 17931), (645, 13205), (695, 12255), (817, 10425), (1075, 7923), (1425, 5977), (2085, 4085), (2451, 3475), (2641, 3225)]