7138089

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3949

約数の個数: 24

約数和(自身を含む): 12192960

約数和(自身を除く): 5054871

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 3907, 11721, 27349, 35163, 82047, 113303, 246141, 339909, 793121, 1019727, 2379363, 7138089]

約数ペア:

[(1, 7138089), (3, 2379363), (7, 1019727), (9, 793121), (21, 339909), (29, 246141), (63, 113303), (87, 82047), (203, 35163), (261, 27349), (609, 11721), (1827, 3907)]