208332531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 337229568

約数和(自身を除く): 128897037

約数列:

[1, 3, 9, 11, 33, 71, 99, 107, 213, 277, 321, 639, 781, 831, 963, 1177, 2343, 2493, 3047, 3531, 7029, 7597, 9141, 10593, 19667, 22791, 27423, 29639, 59001, 68373, 83567, 88917, 177003, 216337, 250701, 266751, 326029, 649011, 752103, 978087, 1947033, 2104369, 2934261, 6313107, 18939321, 23148059, 69444177, 208332531]

約数ペア:

[(1, 208332531), (3, 69444177), (9, 23148059), (11, 18939321), (33, 6313107), (71, 2934261), (99, 2104369), (107, 1947033), (213, 978087), (277, 752103), (321, 649011), (639, 326029), (781, 266751), (831, 250701), (963, 216337), (1177, 177003), (2343, 88917), (2493, 83567), (3047, 68373), (3531, 59001), (7029, 29639), (7597, 27423), (9141, 22791), (10593, 19667)]