27896869

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 12140891

約数列:

[1, 7, 11, 13, 29, 31, 77, 91, 143, 203, 217, 319, 341, 377, 403, 899, 961, 1001, 2233, 2387, 2639, 2821, 4147, 4433, 6293, 6727, 9889, 10571, 11687, 12493, 27869, 29029, 31031, 69223, 73997, 81809, 87451, 128557, 137423, 195083, 306559, 362297, 899899, 961961, 2145913, 2536079, 3985267, 27896869]

約数ペア:

[(1, 27896869), (7, 3985267), (11, 2536079), (13, 2145913), (29, 961961), (31, 899899), (77, 362297), (91, 306559), (143, 195083), (203, 137423), (217, 128557), (319, 87451), (341, 81809), (377, 73997), (403, 69223), (899, 31031), (961, 29029), (1001, 27869), (2233, 12493), (2387, 11687), (2639, 10571), (2821, 9889), (4147, 6727), (4433, 6293)]