81090051

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 136925856

約数和(自身を除く): 55835805

約数列:

[1, 3, 7, 17, 21, 37, 49, 51, 111, 119, 147, 259, 357, 629, 777, 833, 877, 1813, 1887, 2499, 2631, 4403, 5439, 6139, 13209, 14909, 18417, 30821, 32449, 42973, 44727, 92463, 97347, 104363, 128919, 227143, 313089, 551633, 681429, 730541, 1590001, 1654899, 2191623, 3861431, 4770003, 11584293, 27030017, 81090051]

約数ペア:

[(1, 81090051), (3, 27030017), (7, 11584293), (17, 4770003), (21, 3861431), (37, 2191623), (49, 1654899), (51, 1590001), (111, 730541), (119, 681429), (147, 551633), (259, 313089), (357, 227143), (629, 128919), (777, 104363), (833, 97347), (877, 92463), (1813, 44727), (1887, 42973), (2499, 32449), (2631, 30821), (4403, 18417), (5439, 14909), (6139, 13209)]