28351377

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8537}}^1$

素因数の和:8590

約数の個数: 20

約数和(自身を含む): 43390116

約数和(自身を除く): 15038739

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8537, 25611, 76833, 230499, 350017, 691497, 1050051, 3150153, 9450459, 28351377]

約数ペア:

[(1, 28351377), (3, 9450459), (9, 3150153), (27, 1050051), (41, 691497), (81, 350017), (123, 230499), (369, 76833), (1107, 25611), (3321, 8537)]