7668639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 12265344

約数和(自身を除く): 4596705

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1091, 2343, 3273, 7029, 9819, 12001, 36003, 77461, 108009, 232383, 697149, 852071, 2556213, 7668639]

約数ペア:

[(1, 7668639), (3, 2556213), (9, 852071), (11, 697149), (33, 232383), (71, 108009), (99, 77461), (213, 36003), (639, 12001), (781, 9819), (1091, 7029), (2343, 3273)]