201507159

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 325036800

約数和(自身を除く): 123529641

約数列:

[1, 3, 7, 21, 43, 49, 71, 129, 147, 213, 301, 449, 497, 903, 1347, 1491, 2107, 3053, 3143, 3479, 6321, 9159, 9429, 10437, 19307, 21371, 22001, 31879, 57921, 64113, 66003, 95637, 135149, 149597, 223153, 405447, 448791, 669459, 946043, 1370797, 1562071, 2838129, 4112391, 4686213, 9595579, 28786737, 67169053, 201507159]

約数ペア:

[(1, 201507159), (3, 67169053), (7, 28786737), (21, 9595579), (43, 4686213), (49, 4112391), (71, 2838129), (129, 1562071), (147, 1370797), (213, 946043), (301, 669459), (449, 448791), (497, 405447), (903, 223153), (1347, 149597), (1491, 135149), (2107, 95637), (3053, 66003), (3143, 64113), (3479, 57921), (6321, 31879), (9159, 22001), (9429, 21371), (10437, 19307)]