26821449

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2566

約数の個数: 20

約数和(自身を含む): 40375764

約数和(自身を除く): 13554315

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 2417, 3699, 7251, 11097, 21753, 65259, 195777, 331129, 993387, 2980161, 8940483, 26821449]

約数ペア:

[(1, 26821449), (3, 8940483), (9, 2980161), (27, 993387), (81, 331129), (137, 195777), (411, 65259), (1233, 21753), (2417, 11097), (3699, 7251)]