28776951

素因数分解:

$3^4\times 7^1\times {\mathrm{50753}}^1$

素因数の和:50772

約数の個数: 20

約数和(自身を含む): 49129872

約数和(自身を除く): 20352921

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50753, 152259, 355271, 456777, 1065813, 1370331, 3197439, 4110993, 9592317, 28776951]

約数ペア:

[(1, 28776951), (3, 9592317), (7, 4110993), (9, 3197439), (21, 1370331), (27, 1065813), (63, 456777), (81, 355271), (189, 152259), (567, 50753)]