27990721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 33653664

約数和(自身を除く): 5662943

約数列:

[1, 11, 17, 43, 59, 187, 473, 649, 731, 1003, 2537, 3481, 8041, 11033, 27907, 38291, 43129, 59177, 149683, 474419, 650947, 1646513, 2544611, 27990721]

約数ペア:

[(1, 27990721), (11, 2544611), (17, 1646513), (43, 650947), (59, 474419), (187, 149683), (473, 59177), (649, 43129), (731, 38291), (1003, 27907), (2537, 11033), (3481, 8041)]