8039409

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 13009920

約数和(自身を除く): 4970511

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 307, 609, 903, 921, 1247, 2149, 3741, 6447, 8729, 8903, 13201, 26187, 26709, 39603, 62321, 92407, 186963, 277221, 382829, 1148487, 2679803, 8039409]

約数ペア:

[(1, 8039409), (3, 2679803), (7, 1148487), (21, 382829), (29, 277221), (43, 186963), (87, 92407), (129, 62321), (203, 39603), (301, 26709), (307, 26187), (609, 13201), (903, 8903), (921, 8729), (1247, 6447), (2149, 3741)]