4078431

素因数分解:

$3^4\times 7^1\times {\mathrm{7193}}^1$

素因数の和:7212

約数の個数: 20

約数和(自身を含む): 6963792

約数和(自身を除く): 2885361

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 7193, 21579, 50351, 64737, 151053, 194211, 453159, 582633, 1359477, 4078431]

約数ペア:

[(1, 4078431), (3, 1359477), (7, 582633), (9, 453159), (21, 194211), (27, 151053), (63, 64737), (81, 50351), (189, 21579), (567, 7193)]