28903563

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 46742592

約数和(自身を除く): 17839029

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 507, 613, 1209, 1521, 1839, 3627, 5239, 5517, 7969, 15717, 19003, 23907, 47151, 57009, 71721, 103597, 171027, 247039, 310791, 741117, 932373, 2223351, 3211507, 9634521, 28903563]

約数ペア:

[(1, 28903563), (3, 9634521), (9, 3211507), (13, 2223351), (31, 932373), (39, 741117), (93, 310791), (117, 247039), (169, 171027), (279, 103597), (403, 71721), (507, 57009), (613, 47151), (1209, 23907), (1521, 19003), (1839, 15717), (3627, 7969), (5239, 5517)]