81978081

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{10771}}^1$

素因数の和:10876

約数の個数: 16

約数和(自身を含む): 113752320

約数和(自身を除く): 31774239

約数列:

[1, 3, 43, 59, 129, 177, 2537, 7611, 10771, 32313, 463153, 635489, 1389459, 1906467, 27326027, 81978081]

約数ペア:

[(1, 81978081), (3, 27326027), (43, 1906467), (59, 1389459), (129, 635489), (177, 463153), (2537, 32313), (7611, 10771)]