1289753283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 2171473920

約数和(自身を除く): 881720637

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 107, 201, 273, 321, 469, 659, 749, 871, 1391, 1407, 1977, 2247, 2613, 4173, 4613, 6097, 7169, 8567, 9737, 13839, 18291, 21507, 25701, 29211, 44153, 50183, 59969, 70513, 93197, 132459, 150549, 179907, 211539, 279591, 309071, 493591, 573989, 652379, 916669, 927213, 1480773, 1721967, 1957137, 2750007, 4017923, 4724371, 6416683, 12053769, 14173113, 19250049, 33070597, 61416823, 99211791, 184250469, 429917761, 1289753283]

約数ペア:

[(1, 1289753283), (3, 429917761), (7, 184250469), (13, 99211791), (21, 61416823), (39, 33070597), (67, 19250049), (91, 14173113), (107, 12053769), (201, 6416683), (273, 4724371), (321, 4017923), (469, 2750007), (659, 1957137), (749, 1721967), (871, 1480773), (1391, 927213), (1407, 916669), (1977, 652379), (2247, 573989), (2613, 493591), (4173, 309071), (4613, 279591), (6097, 211539), (7169, 179907), (8567, 150549), (9737, 132459), (13839, 93197), (18291, 70513), (21507, 59969), (25701, 50183), (29211, 44153)]