9181431

素因数分解:

$3^4\times 7^1\times {\mathrm{16193}}^1$

素因数の和:16212

約数の個数: 20

約数和(自身を含む): 15675792

約数和(自身を除く): 6494361

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 16193, 48579, 113351, 145737, 340053, 437211, 1020159, 1311633, 3060477, 9181431]

約数ペア:

[(1, 9181431), (3, 3060477), (7, 1311633), (9, 1020159), (21, 437211), (27, 340053), (63, 145737), (81, 113351), (189, 48579), (567, 16193)]