16265781

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 36

約数和(自身を含む): 27899872

約数和(自身を除く): 11634091

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 307, 609, 841, 921, 1827, 2149, 2523, 2763, 5887, 6447, 7569, 8903, 17661, 19341, 26709, 52983, 62321, 80127, 186963, 258187, 560889, 774561, 1807309, 2323683, 5421927, 16265781]

約数ペア:

[(1, 16265781), (3, 5421927), (7, 2323683), (9, 1807309), (21, 774561), (29, 560889), (63, 258187), (87, 186963), (203, 80127), (261, 62321), (307, 52983), (609, 26709), (841, 19341), (921, 17661), (1827, 8903), (2149, 7569), (2523, 6447), (2763, 5887)]