81905661

素因数分解:

$3^4\times {\mathrm{877}}^1\times {\mathrm{1153}}^1$

素因数の和:2042

約数の個数: 20

約数和(自身を含む): 122598652

約数和(自身を除く): 40692991

約数列:

[1, 3, 9, 27, 81, 877, 1153, 2631, 3459, 7893, 10377, 23679, 31131, 71037, 93393, 1011181, 3033543, 9100629, 27301887, 81905661]

約数ペア:

[(1, 81905661), (3, 27301887), (9, 9100629), (27, 3033543), (81, 1011181), (877, 93393), (1153, 71037), (2631, 31131), (3459, 23679), (7893, 10377)]