81145953

素因数分解:

$3^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2689}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 134284800

約数和(自身を除く): 53138847

約数列:

[1, 3, 7, 9, 21, 63, 479, 1437, 2689, 3353, 4311, 8067, 10059, 18823, 24201, 30177, 56469, 169407, 1288031, 3864093, 9016217, 11592279, 27048651, 81145953]

約数ペア:

[(1, 81145953), (3, 27048651), (7, 11592279), (9, 9016217), (21, 3864093), (63, 1288031), (479, 169407), (1437, 56469), (2689, 30177), (3353, 24201), (4311, 18823), (8067, 10059)]