2078505981

素因数分解:

$3^3\times {\mathrm{2963}}^1\times {\mathrm{25981}}^1$

素因数の和:28953

約数の個数: 16

約数和(自身を含む): 3080425920

約数和(自身を除く): 1001919939

約数列:

[1, 3, 9, 27, 2963, 8889, 25981, 26667, 77943, 80001, 233829, 701487, 76981703, 230945109, 692835327, 2078505981]

約数ペア:

[(1, 2078505981), (3, 692835327), (9, 230945109), (27, 76981703), (2963, 701487), (8889, 233829), (25981, 80001), (26667, 77943)]