12803945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4751}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 19502208

約数和(自身を除く): 6698263

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4751, 23755, 33257, 52261, 166285, 232799, 261305, 365827, 1163995, 1829135, 2560789, 12803945]

約数ペア:

[(1, 12803945), (5, 2560789), (7, 1829135), (11, 1163995), (35, 365827), (49, 261305), (55, 232799), (77, 166285), (245, 52261), (385, 33257), (539, 23755), (2695, 4751)]