16689717

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 26440128

約数和(自身を除く): 9750411

約数列:

[1, 3, 9, 11, 33, 99, 263, 641, 789, 1923, 2367, 2893, 5769, 7051, 8679, 21153, 26037, 63459, 168583, 505749, 1517247, 1854413, 5563239, 16689717]

約数ペア:

[(1, 16689717), (3, 5563239), (9, 1854413), (11, 1517247), (33, 505749), (99, 168583), (263, 63459), (641, 26037), (789, 21153), (1923, 8679), (2367, 7051), (2893, 5769)]