21772593

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 32329440

約数和(自身を除く): 10556847

約数列:

[1, 3, 9, 59, 131, 177, 313, 393, 531, 939, 1179, 2817, 7729, 18467, 23187, 41003, 55401, 69561, 123009, 166203, 369027, 2419177, 7257531, 21772593]

約数ペア:

[(1, 21772593), (3, 7257531), (9, 2419177), (59, 369027), (131, 166203), (177, 123009), (313, 69561), (393, 55401), (531, 41003), (939, 23187), (1179, 18467), (2817, 7729)]