448609833

素因数分解:

$3^6\times 7^1\times {\mathrm{87911}}^1$

素因数の和:87936

約数の個数: 28

約数和(自身を含む): 768702528

約数和(自身を除く): 320092695

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 87911, 263733, 615377, 791199, 1846131, 2373597, 5538393, 7120791, 16615179, 21362373, 49845537, 64087119, 149536611, 448609833]

約数ペア:

[(1, 448609833), (3, 149536611), (7, 64087119), (9, 49845537), (21, 21362373), (27, 16615179), (63, 7120791), (81, 5538393), (189, 2373597), (243, 1846131), (567, 791199), (729, 615377), (1701, 263733), (5103, 87911)]