27999321

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 44233728

約数和(自身を除く): 16234407

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 307, 707, 903, 921, 2121, 2149, 4343, 6447, 13029, 13201, 30401, 31007, 39603, 91203, 92407, 93021, 217049, 277221, 651147, 1333301, 3999903, 9333107, 27999321]

約数ペア:

[(1, 27999321), (3, 9333107), (7, 3999903), (21, 1333301), (43, 651147), (101, 277221), (129, 217049), (301, 93021), (303, 92407), (307, 91203), (707, 39603), (903, 31007), (921, 30401), (2121, 13201), (2149, 13029), (4343, 6447)]