28943649

素因数分解:

$3^4\times 7^1\times {\mathrm{51047}}^1$

素因数の和:51066

約数の個数: 20

約数和(自身を含む): 49414464

約数和(自身を除く): 20470815

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 51047, 153141, 357329, 459423, 1071987, 1378269, 3215961, 4134807, 9647883, 28943649]

約数ペア:

[(1, 28943649), (3, 9647883), (7, 4134807), (9, 3215961), (21, 1378269), (27, 1071987), (63, 459423), (81, 357329), (189, 153141), (567, 51047)]