25132239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 42625440

約数和(自身を除く): 17493201

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 109, 137, 153, 187, 327, 411, 561, 981, 1199, 1233, 1507, 1683, 1853, 2329, 3597, 4521, 5559, 6987, 10791, 13563, 14933, 16677, 20383, 20961, 25619, 44799, 61149, 76857, 134397, 164263, 183447, 230571, 253861, 492789, 761583, 1478367, 2284749, 2792471, 8377413, 25132239]

約数ペア:

[(1, 25132239), (3, 8377413), (9, 2792471), (11, 2284749), (17, 1478367), (33, 761583), (51, 492789), (99, 253861), (109, 230571), (137, 183447), (153, 164263), (187, 134397), (327, 76857), (411, 61149), (561, 44799), (981, 25619), (1199, 20961), (1233, 20383), (1507, 16677), (1683, 14933), (1853, 13563), (2329, 10791), (3597, 6987), (4521, 5559)]