1781508729

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12107}}^1$

素因数の和:12155

約数の個数: 64

約数和(自身を含む): 3254630400

約数和(自身を除く): 1473121671

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 343, 429, 539, 637, 1001, 1029, 1617, 1911, 3003, 3773, 4459, 7007, 11319, 12107, 13377, 21021, 36321, 49049, 84749, 133177, 147147, 157391, 254247, 399531, 472173, 593243, 932239, 1101737, 1731301, 1779729, 2796717, 3305211, 4152701, 5193903, 6525673, 7712159, 12119107, 12458103, 19577019, 23136477, 36357321, 45679711, 53985113, 84833749, 137039133, 161955339, 254501247, 593836243, 1781508729]

約数ペア:

[(1, 1781508729), (3, 593836243), (7, 254501247), (11, 161955339), (13, 137039133), (21, 84833749), (33, 53985113), (39, 45679711), (49, 36357321), (77, 23136477), (91, 19577019), (143, 12458103), (147, 12119107), (231, 7712159), (273, 6525673), (343, 5193903), (429, 4152701), (539, 3305211), (637, 2796717), (1001, 1779729), (1029, 1731301), (1617, 1101737), (1911, 932239), (3003, 593243), (3773, 472173), (4459, 399531), (7007, 254247), (11319, 157391), (12107, 147147), (13377, 133177), (21021, 84749), (36321, 49049)]