81660042

素因数分解:

$2^1\times 3^3\times {\mathrm{1512223}}^1$

素因数の和:1512234

約数の個数: 16

約数和(自身を含む): 181466880

約数和(自身を除く): 99806838

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1512223, 3024446, 4536669, 9073338, 13610007, 27220014, 40830021, 81660042]

約数ペア:

[(1, 81660042), (2, 40830021), (3, 27220014), (6, 13610007), (9, 9073338), (18, 4536669), (27, 3024446), (54, 1512223)]