13220781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 22083840

約数和(自身を除く): 8863059

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1277, 1479, 3451, 3831, 8939, 10353, 21709, 26817, 37033, 65127, 111099, 151963, 259231, 455889, 629561, 777693, 1888683, 4406927, 13220781]

約数ペア:

[(1, 13220781), (3, 4406927), (7, 1888683), (17, 777693), (21, 629561), (29, 455889), (51, 259231), (87, 151963), (119, 111099), (203, 65127), (357, 37033), (493, 26817), (609, 21709), (1277, 10353), (1479, 8939), (3451, 3831)]