28252521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16787}}^1$

素因数の和:16821

約数の個数: 24

約数和(自身を含む): 47140704

約数和(自身を除く): 18888183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 16787, 50361, 151083, 184657, 285379, 553971, 856137, 1661913, 2568411, 3139169, 9417507, 28252521]

約数ペア:

[(1, 28252521), (3, 9417507), (9, 3139169), (11, 2568411), (17, 1661913), (33, 856137), (51, 553971), (99, 285379), (153, 184657), (187, 151083), (561, 50361), (1683, 16787)]