13123509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 21749760

約数和(自身を除く): 8626251

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1061, 1767, 3183, 4123, 7427, 12369, 20159, 22281, 32891, 60477, 98673, 141113, 230237, 423339, 624929, 690711, 1874787, 4374503, 13123509]

約数ペア:

[(1, 13123509), (3, 4374503), (7, 1874787), (19, 690711), (21, 624929), (31, 423339), (57, 230237), (93, 141113), (133, 98673), (217, 60477), (399, 32891), (589, 22281), (651, 20159), (1061, 12369), (1767, 7427), (3183, 4123)]