28941777

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1913}}^1$

素因数の和:2001

約数の個数: 18

約数和(自身を含む): 42871686

約数和(自身を除く): 13929909

約数列:

[1, 3, 9, 41, 123, 369, 1681, 1913, 5043, 5739, 15129, 17217, 78433, 235299, 705897, 3215753, 9647259, 28941777]

約数ペア:

[(1, 28941777), (3, 9647259), (9, 3215753), (41, 705897), (123, 235299), (369, 78433), (1681, 17217), (1913, 15129), (5043, 5739)]