28816641

素因数分解:

$3^6\times 7^1\times {\mathrm{5647}}^1$

素因数の和:5672

約数の個数: 28

約数和(自身を含む): 49386112

約数和(自身を除く): 20569471

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5647, 16941, 39529, 50823, 118587, 152469, 355761, 457407, 1067283, 1372221, 3201849, 4116663, 9605547, 28816641]

約数ペア:

[(1, 28816641), (3, 9605547), (7, 4116663), (9, 3201849), (21, 1372221), (27, 1067283), (63, 457407), (81, 355761), (189, 152469), (243, 118587), (567, 50823), (729, 39529), (1701, 16941), (5103, 5647)]