28253223

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 15383097

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 3329, 8487, 9987, 29961, 76567, 136489, 229701, 409467, 689103, 1228401, 3139247, 9417741, 28253223]

約数ペア:

[(1, 28253223), (3, 9417741), (9, 3139247), (23, 1228401), (41, 689103), (69, 409467), (123, 229701), (207, 136489), (369, 76567), (943, 29961), (2829, 9987), (3329, 8487)]