181821591

素因数分解:

$3^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 313913600

約数和(自身を除く): 132092009

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 243, 417, 567, 769, 973, 1251, 1701, 2307, 2919, 3753, 5383, 6921, 8757, 11259, 16149, 20763, 26271, 33777, 48447, 62289, 78813, 106891, 145341, 186867, 236439, 320673, 436023, 748237, 962019, 1308069, 2244711, 2886057, 6734133, 8658171, 20202399, 25974513, 60607197, 181821591]

約数ペア:

[(1, 181821591), (3, 60607197), (7, 25974513), (9, 20202399), (21, 8658171), (27, 6734133), (63, 2886057), (81, 2244711), (139, 1308069), (189, 962019), (243, 748237), (417, 436023), (567, 320673), (769, 236439), (973, 186867), (1251, 145341), (1701, 106891), (2307, 78813), (2919, 62289), (3753, 48447), (5383, 33777), (6921, 26271), (8757, 20763), (11259, 16149)]