201681963

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139187}}^1$

素因数の和:139223

約数の個数: 24

約数和(自身を含む): 347413248

約数和(自身を除く): 145731285

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 139187, 417561, 974309, 1252683, 2922927, 3201301, 8768781, 9603903, 22409107, 28811709, 67227321, 201681963]

約数ペア:

[(1, 201681963), (3, 67227321), (7, 28811709), (9, 22409107), (21, 9603903), (23, 8768781), (63, 3201301), (69, 2922927), (161, 1252683), (207, 974309), (483, 417561), (1449, 139187)]