28884261

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 46632960

約数和(自身を除く): 17748699

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1103, 1247, 3309, 3741, 7721, 8729, 23163, 26187, 31987, 47429, 95961, 142287, 223909, 332003, 671727, 996009, 1375441, 4126323, 9628087, 28884261]

約数ペア:

[(1, 28884261), (3, 9628087), (7, 4126323), (21, 1375441), (29, 996009), (43, 671727), (87, 332003), (129, 223909), (203, 142287), (301, 95961), (609, 47429), (903, 31987), (1103, 26187), (1247, 23163), (3309, 8729), (3741, 7721)]