208022787

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20509}}^1$

素因数の和:20552

約数の個数: 36

約数和(自身を含む): 364749840

約数和(自身を除く): 156727053

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 20509, 61527, 143563, 184581, 430689, 471707, 1004941, 1292067, 1415121, 3014823, 3301949, 4245363, 9044469, 9905847, 23113643, 29717541, 69340929, 208022787]

約数ペア:

[(1, 208022787), (3, 69340929), (7, 29717541), (9, 23113643), (21, 9905847), (23, 9044469), (49, 4245363), (63, 3301949), (69, 3014823), (147, 1415121), (161, 1292067), (207, 1004941), (441, 471707), (483, 430689), (1127, 184581), (1449, 143563), (3381, 61527), (10143, 20509)]