77986557

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 130997020

約数和(自身を除く): 53010463

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 109, 121, 219, 297, 327, 363, 657, 803, 891, 981, 1089, 1199, 1971, 2409, 2943, 3267, 3597, 5913, 7227, 7957, 8829, 8833, 9801, 10791, 13189, 21681, 23871, 26499, 32373, 39567, 65043, 71613, 79497, 87527, 97119, 118701, 214839, 238491, 262581, 356103, 644517, 715473, 787743, 962797, 1068309, 2363229, 2888391, 7089687, 8665173, 25995519, 77986557]

約数ペア:

[(1, 77986557), (3, 25995519), (9, 8665173), (11, 7089687), (27, 2888391), (33, 2363229), (73, 1068309), (81, 962797), (99, 787743), (109, 715473), (121, 644517), (219, 356103), (297, 262581), (327, 238491), (363, 214839), (657, 118701), (803, 97119), (891, 87527), (981, 79497), (1089, 71613), (1199, 65043), (1971, 39567), (2409, 32373), (2943, 26499), (3267, 23871), (3597, 21681), (5913, 13189), (7227, 10791), (7957, 9801), (8829, 8833)]