18522801

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 29939364

約数和(自身を除く): 11416563

約数列:

[1, 3, 9, 11, 33, 73, 99, 121, 219, 233, 363, 657, 699, 803, 1089, 2097, 2409, 2563, 7227, 7689, 8833, 17009, 23067, 26499, 28193, 51027, 79497, 84579, 153081, 187099, 253737, 561297, 1683891, 2058089, 6174267, 18522801]

約数ペア:

[(1, 18522801), (3, 6174267), (9, 2058089), (11, 1683891), (33, 561297), (73, 253737), (99, 187099), (121, 153081), (219, 84579), (233, 79497), (363, 51027), (657, 28193), (699, 26499), (803, 23067), (1089, 17009), (2097, 8833), (2409, 7689), (2563, 7227)]