261342651

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 365682240

約数和(自身を除く): 104339589

約数列:

[1, 3, 41, 101, 109, 123, 193, 303, 327, 579, 4141, 4469, 7913, 11009, 12423, 13407, 19493, 21037, 23739, 33027, 58479, 63111, 451369, 799213, 862517, 1354107, 2124737, 2397639, 2587551, 6374211, 87114217, 261342651]

約数ペア:

[(1, 261342651), (3, 87114217), (41, 6374211), (101, 2587551), (109, 2397639), (123, 2124737), (193, 1354107), (303, 862517), (327, 799213), (579, 451369), (4141, 63111), (4469, 58479), (7913, 33027), (11009, 23739), (12423, 21037), (13407, 19493)]