81546381

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2543}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 134933760

約数和(自身を除く): 53387379

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 2543, 3563, 4581, 7629, 10689, 17801, 22887, 32067, 53403, 160209, 1294387, 3883161, 9060709, 11649483, 27182127, 81546381]

約数ペア:

[(1, 81546381), (3, 27182127), (7, 11649483), (9, 9060709), (21, 3883161), (63, 1294387), (509, 160209), (1527, 53403), (2543, 32067), (3563, 22887), (4581, 17801), (7629, 10689)]