7640523

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 12220416

約数和(自身を除く): 4579893

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1087, 2343, 3261, 7029, 9783, 11957, 35871, 77177, 107613, 231531, 694593, 848947, 2546841, 7640523]

約数ペア:

[(1, 7640523), (3, 2546841), (9, 848947), (11, 694593), (33, 231531), (71, 107613), (99, 77177), (213, 35871), (639, 11957), (781, 9783), (1087, 7029), (2343, 3261)]