16980789

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6367}}^1$

素因数の和:6504

約数の個数: 16

約数和(自身を含む): 26083328

約数和(自身を除く): 9102539

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6367, 19101, 44569, 133707, 808609, 2425827, 5660263, 16980789]

約数ペア:

[(1, 16980789), (3, 5660263), (7, 2425827), (21, 808609), (127, 133707), (381, 44569), (889, 19101), (2667, 6367)]