28042623

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15349}}^1$

素因数の和:15391

約数の個数: 24

約数和(自身を含む): 47892000

約数和(自身を除く): 19849377

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15349, 46047, 107443, 138141, 322329, 445121, 966987, 1335363, 3115847, 4006089, 9347541, 28042623]

約数ペア:

[(1, 28042623), (3, 9347541), (7, 4006089), (9, 3115847), (21, 1335363), (29, 966987), (63, 445121), (87, 322329), (203, 138141), (261, 107443), (609, 46047), (1827, 15349)]