78268239

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9341}}^1$

素因数の和:9380

約数の個数: 36

約数和(自身を含む): 138448440

約数和(自身を除く): 60180201

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 9341, 28023, 65387, 84069, 177479, 196161, 457709, 532437, 588483, 1242353, 1373127, 1597311, 3727059, 4119381, 8696471, 11181177, 26089413, 78268239]

約数ペア:

[(1, 78268239), (3, 26089413), (7, 11181177), (9, 8696471), (19, 4119381), (21, 3727059), (49, 1597311), (57, 1373127), (63, 1242353), (133, 588483), (147, 532437), (171, 457709), (399, 196161), (441, 177479), (931, 84069), (1197, 65387), (2793, 28023), (8379, 9341)]