17772507

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 27279360

約数和(自身を除く): 9506853

約数列:

[1, 3, 9, 27, 71, 73, 127, 213, 219, 381, 639, 657, 1143, 1917, 1971, 3429, 5183, 9017, 9271, 15549, 27051, 27813, 46647, 81153, 83439, 139941, 243459, 250317, 658241, 1974723, 5924169, 17772507]

約数ペア:

[(1, 17772507), (3, 5924169), (9, 1974723), (27, 658241), (71, 250317), (73, 243459), (127, 139941), (213, 83439), (219, 81153), (381, 46647), (639, 27813), (657, 27051), (1143, 15549), (1917, 9271), (1971, 9017), (3429, 5183)]