218974789

素因数分解:

${\mathrm{11}}^3\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 252592704

約数和(自身を除く): 33617915

約数列:

[1, 11, 23, 121, 253, 311, 529, 1331, 2783, 3421, 5819, 7153, 30613, 37631, 64009, 78683, 164519, 413941, 704099, 865513, 1809709, 9520643, 19906799, 218974789]

約数ペア:

[(1, 218974789), (11, 19906799), (23, 9520643), (121, 1809709), (253, 865513), (311, 704099), (529, 413941), (1331, 164519), (2783, 78683), (3421, 64009), (5819, 37631), (7153, 30613)]