31221267

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1117}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 52376064

約数和(自身を除く): 21154797

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 1117, 1331, 2541, 3351, 3993, 7819, 9317, 12287, 23457, 27951, 36861, 86009, 135157, 258027, 405471, 946099, 1486727, 2838297, 4460181, 10407089, 31221267]

約数ペア:

[(1, 31221267), (3, 10407089), (7, 4460181), (11, 2838297), (21, 1486727), (33, 946099), (77, 405471), (121, 258027), (231, 135157), (363, 86009), (847, 36861), (1117, 27951), (1331, 23457), (2541, 12287), (3351, 9317), (3993, 7819)]