19767321

素因数分解:

$3^5\times 7^1\times {\mathrm{11621}}^1$

素因数の和:11643

約数の個数: 24

約数和(自身を含む): 33843264

約数和(自身を除く): 14075943

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11621, 34863, 81347, 104589, 244041, 313767, 732123, 941301, 2196369, 2823903, 6589107, 19767321]

約数ペア:

[(1, 19767321), (3, 6589107), (7, 2823903), (9, 2196369), (21, 941301), (27, 732123), (63, 313767), (81, 244041), (189, 104589), (243, 81347), (567, 34863), (1701, 11621)]