289743489

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199961}}^1$

素因数の和:199997

約数の個数: 24

約数和(自身を含む): 499105152

約数和(自身を除く): 209361663

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 199961, 599883, 1399727, 1799649, 4199181, 4599103, 12597543, 13797309, 32193721, 41391927, 96581163, 289743489]

約数ペア:

[(1, 289743489), (3, 96581163), (7, 41391927), (9, 32193721), (21, 13797309), (23, 12597543), (63, 4599103), (69, 4199181), (161, 1799649), (207, 1399727), (483, 599883), (1449, 199961)]