27451431

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 47284224

約数和(自身を除く): 19832793

約数列:

[1, 3, 7, 9, 21, 47, 63, 73, 127, 141, 219, 329, 381, 423, 511, 657, 889, 987, 1143, 1533, 2667, 2961, 3431, 4599, 5969, 8001, 9271, 10293, 17907, 24017, 27813, 30879, 41783, 53721, 64897, 72051, 83439, 125349, 194691, 216153, 376047, 435737, 584073, 1307211, 3050159, 3921633, 9150477, 27451431]

約数ペア:

[(1, 27451431), (3, 9150477), (7, 3921633), (9, 3050159), (21, 1307211), (47, 584073), (63, 435737), (73, 376047), (127, 216153), (141, 194691), (219, 125349), (329, 83439), (381, 72051), (423, 64897), (511, 53721), (657, 41783), (889, 30879), (987, 27813), (1143, 24017), (1533, 17907), (2667, 10293), (2961, 9271), (3431, 8001), (4599, 5969)]