26904393

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1721}}^1$

素因数の和:1926

約数の個数: 20

約数和(自身を含む): 40422228

約数和(自身を除く): 13517835

約数列:

[1, 3, 9, 27, 81, 193, 579, 1721, 1737, 5163, 5211, 15489, 15633, 46467, 139401, 332153, 996459, 2989377, 8968131, 26904393]

約数ペア:

[(1, 26904393), (3, 8968131), (9, 2989377), (27, 996459), (81, 332153), (193, 139401), (579, 46467), (1721, 15633), (1737, 15489), (5163, 5211)]