27751913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 7637527

約数列:

[1, 7, 19, 31, 53, 127, 133, 217, 371, 589, 889, 1007, 1643, 2413, 3937, 4123, 6731, 7049, 11501, 16891, 27559, 31217, 47117, 74803, 127889, 208661, 218519, 523621, 895223, 1460627, 3964559, 27751913]

約数ペア:

[(1, 27751913), (7, 3964559), (19, 1460627), (31, 895223), (53, 523621), (127, 218519), (133, 208661), (217, 127889), (371, 74803), (589, 47117), (889, 31217), (1007, 27559), (1643, 16891), (2413, 11501), (3937, 7049), (4123, 6731)]