211301211

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 332210592

約数和(自身を除く): 120909381

約数列:

[1, 3, 11, 17, 33, 51, 97, 121, 187, 291, 353, 363, 561, 1059, 1067, 1649, 2057, 3201, 3883, 4947, 6001, 6171, 11649, 11737, 18003, 18139, 34241, 35211, 42713, 54417, 66011, 102723, 128139, 198033, 199529, 376651, 582097, 598587, 726121, 1129953, 1746291, 2178363, 4143161, 6403067, 12429483, 19209201, 70433737, 211301211]

約数ペア:

[(1, 211301211), (3, 70433737), (11, 19209201), (17, 12429483), (33, 6403067), (51, 4143161), (97, 2178363), (121, 1746291), (187, 1129953), (291, 726121), (353, 598587), (363, 582097), (561, 376651), (1059, 199529), (1067, 198033), (1649, 128139), (2057, 102723), (3201, 66011), (3883, 54417), (4947, 42713), (6001, 35211), (6171, 34241), (11649, 18139), (11737, 18003)]