81058077

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{2377}}^1$

素因数の和:2810

約数の個数: 20

約数和(自身を含む): 121425436

約数和(自身を除く): 40367359

約数列:

[1, 3, 9, 27, 81, 421, 1263, 2377, 3789, 7131, 11367, 21393, 34101, 64179, 192537, 1000717, 3002151, 9006453, 27019359, 81058077]

約数ペア:

[(1, 81058077), (3, 27019359), (9, 9006453), (27, 3002151), (81, 1000717), (421, 192537), (1263, 64179), (2377, 34101), (3789, 21393), (7131, 11367)]