28927557

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 20838843

約数列:

[1, 3, 9, 17, 19, 27, 31, 51, 57, 93, 107, 153, 171, 279, 321, 323, 459, 513, 527, 589, 837, 963, 969, 1581, 1767, 1819, 2033, 2889, 2907, 3317, 4743, 5301, 5457, 6099, 8721, 9951, 10013, 14229, 15903, 16371, 18297, 29853, 30039, 34561, 49113, 54891, 56389, 63023, 89559, 90117, 103683, 169167, 189069, 270351, 311049, 507501, 567207, 933147, 1071391, 1522503, 1701621, 3214173, 9642519, 28927557]

約数ペア:

[(1, 28927557), (3, 9642519), (9, 3214173), (17, 1701621), (19, 1522503), (27, 1071391), (31, 933147), (51, 567207), (57, 507501), (93, 311049), (107, 270351), (153, 189069), (171, 169167), (279, 103683), (321, 90117), (323, 89559), (459, 63023), (513, 56389), (527, 54891), (589, 49113), (837, 34561), (963, 30039), (969, 29853), (1581, 18297), (1767, 16371), (1819, 15903), (2033, 14229), (2889, 10013), (2907, 9951), (3317, 8721), (4743, 6099), (5301, 5457)]