18288009

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 28009800

約数和(自身を除く): 9721791

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 1709, 3567, 5127, 10701, 15381, 49561, 70069, 148683, 210207, 446049, 630621, 2032001, 6096003, 18288009]

約数ペア:

[(1, 18288009), (3, 6096003), (9, 2032001), (29, 630621), (41, 446049), (87, 210207), (123, 148683), (261, 70069), (369, 49561), (1189, 15381), (1709, 10701), (3567, 5127)]