31286996853

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{20287}}^1$

素因数の和:20454

約数の個数: 64

約数和(自身を含む): 51854180352

約数和(自身を除く): 20567183499

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 103, 161, 217, 309, 483, 651, 713, 721, 2139, 2163, 2369, 3193, 4991, 7107, 9579, 14973, 16583, 20287, 22351, 49749, 60861, 67053, 73439, 142009, 220317, 426027, 466601, 514073, 628897, 1399803, 1542219, 1886691, 2089561, 3266207, 4402279, 6268683, 9798621, 13206837, 14464631, 14626927, 43393893, 43880781, 48059903, 64776391, 101252417, 144179709, 194329173, 303757251, 336419321, 453434737, 1009257963, 1360304211, 1489856993, 4469570979, 10428998951, 31286996853]

約数ペア:

[(1, 31286996853), (3, 10428998951), (7, 4469570979), (21, 1489856993), (23, 1360304211), (31, 1009257963), (69, 453434737), (93, 336419321), (103, 303757251), (161, 194329173), (217, 144179709), (309, 101252417), (483, 64776391), (651, 48059903), (713, 43880781), (721, 43393893), (2139, 14626927), (2163, 14464631), (2369, 13206837), (3193, 9798621), (4991, 6268683), (7107, 4402279), (9579, 3266207), (14973, 2089561), (16583, 1886691), (20287, 1542219), (22351, 1399803), (49749, 628897), (60861, 514073), (67053, 466601), (73439, 426027), (142009, 220317)]