687289683

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 966873600

約数和(自身を除く): 279583917

約数列:

[1, 3, 41, 43, 123, 129, 199, 597, 653, 1763, 1959, 5289, 8159, 8557, 24477, 25671, 26773, 28079, 80319, 84237, 129947, 350837, 389841, 1052511, 1151239, 3453717, 5327827, 5587721, 15983481, 16763163, 229096561, 687289683]

約数ペア:

[(1, 687289683), (3, 229096561), (41, 16763163), (43, 15983481), (123, 5587721), (129, 5327827), (199, 3453717), (597, 1151239), (653, 1052511), (1763, 389841), (1959, 350837), (5289, 129947), (8159, 84237), (8557, 80319), (24477, 28079), (25671, 26773)]