25787223

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 21177513

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 127, 231, 293, 381, 693, 879, 889, 1143, 1397, 2051, 2637, 2667, 3223, 4191, 6153, 8001, 9669, 9779, 12573, 18459, 22561, 29007, 29337, 37211, 67683, 88011, 111633, 203049, 260477, 334899, 409321, 781431, 1227963, 2344293, 2865247, 3683889, 8595741, 25787223]

約数ペア:

[(1, 25787223), (3, 8595741), (7, 3683889), (9, 2865247), (11, 2344293), (21, 1227963), (33, 781431), (63, 409321), (77, 334899), (99, 260477), (127, 203049), (231, 111633), (293, 88011), (381, 67683), (693, 37211), (879, 29337), (889, 29007), (1143, 22561), (1397, 18459), (2051, 12573), (2637, 9779), (2667, 9669), (3223, 8001), (4191, 6153)]