27640809

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14153}}^1$

素因数の和:14197

約数の個数: 24

約数和(自身を含む): 47104512

約数和(自身を除く): 19463703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14153, 42459, 99071, 127377, 297213, 438743, 891639, 1316229, 3071201, 3948687, 9213603, 27640809]

約数ペア:

[(1, 27640809), (3, 9213603), (7, 3948687), (9, 3071201), (21, 1316229), (31, 891639), (63, 438743), (93, 297213), (217, 127377), (279, 99071), (651, 42459), (1953, 14153)]