400411431

素因数分解:

$3^4\times 7^1\times {\mathrm{706193}}^1$

素因数の和:706212

約数の個数: 20

約数和(自身を含む): 683595792

約数和(自身を除く): 283184361

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 706193, 2118579, 4943351, 6355737, 14830053, 19067211, 44490159, 57201633, 133470477, 400411431]

約数ペア:

[(1, 400411431), (3, 133470477), (7, 57201633), (9, 44490159), (21, 19067211), (27, 14830053), (63, 6355737), (81, 4943351), (189, 2118579), (567, 706193)]