204814899

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{28411}}^1$

素因数の和:28512

約数の個数: 20

約数和(自身を含む): 309406680

約数和(自身を除く): 104591781

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 28411, 85233, 255699, 767097, 2301291, 2528579, 7585737, 22757211, 68271633, 204814899]

約数ペア:

[(1, 204814899), (3, 68271633), (9, 22757211), (27, 7585737), (81, 2528579), (89, 2301291), (267, 767097), (801, 255699), (2403, 85233), (7209, 28411)]