27478605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 56383488

約数和(自身を除く): 28904883

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 555, 643, 777, 1155, 1221, 1295, 1929, 2035, 2849, 3215, 3885, 4501, 6105, 7073, 8547, 9645, 13503, 14245, 21219, 22505, 23791, 35365, 42735, 49511, 67515, 71373, 106095, 118955, 148533, 166537, 247555, 261701, 356865, 499611, 742665, 785103, 832685, 1308505, 1831907, 2498055, 3925515, 5495721, 9159535, 27478605]

約数ペア:

[(1, 27478605), (3, 9159535), (5, 5495721), (7, 3925515), (11, 2498055), (15, 1831907), (21, 1308505), (33, 832685), (35, 785103), (37, 742665), (55, 499611), (77, 356865), (105, 261701), (111, 247555), (165, 166537), (185, 148533), (231, 118955), (259, 106095), (385, 71373), (407, 67515), (555, 49511), (643, 42735), (777, 35365), (1155, 23791), (1221, 22505), (1295, 21219), (1929, 14245), (2035, 13503), (2849, 9645), (3215, 8547), (3885, 7073), (4501, 6105)]