16890363

素因数分解:

$3^4\times 7^1\times {\mathrm{29789}}^1$

素因数の和:29808

約数の個数: 20

約数和(自身を含む): 28836720

約数和(自身を除く): 11946357

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 29789, 89367, 208523, 268101, 625569, 804303, 1876707, 2412909, 5630121, 16890363]

約数ペア:

[(1, 16890363), (3, 5630121), (7, 2412909), (9, 1876707), (21, 804303), (27, 625569), (63, 268101), (81, 208523), (189, 89367), (567, 29789)]