2143809213

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1\times {\mathrm{5503}}^1$

素因数の和:6953

約数の個数: 32

約数和(自身を含む): 3521150976

約数和(自身を除く): 1377341763

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1427, 4281, 5503, 9989, 16509, 18551, 29967, 38521, 55653, 71539, 115563, 129857, 214617, 389571, 500773, 1502319, 7852781, 23558343, 54969467, 102086153, 164908401, 306258459, 714603071, 2143809213]

約数ペア:

[(1, 2143809213), (3, 714603071), (7, 306258459), (13, 164908401), (21, 102086153), (39, 54969467), (91, 23558343), (273, 7852781), (1427, 1502319), (4281, 500773), (5503, 389571), (9989, 214617), (16509, 129857), (18551, 115563), (29967, 71539), (38521, 55653)]