121205889

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{887}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 208019328

約数和(自身を除く): 86813439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 567, 723, 887, 1687, 2169, 2661, 5061, 6209, 6507, 7983, 15183, 18627, 19521, 23949, 45549, 55881, 71847, 136647, 167643, 213767, 502929, 641301, 1496369, 1923903, 4489107, 5771709, 13467321, 17315127, 40401963, 121205889]

約数ペア:

[(1, 121205889), (3, 40401963), (7, 17315127), (9, 13467321), (21, 5771709), (27, 4489107), (63, 1923903), (81, 1496369), (189, 641301), (241, 502929), (567, 213767), (723, 167643), (887, 136647), (1687, 71847), (2169, 55881), (2661, 45549), (5061, 23949), (6209, 19521), (6507, 18627), (7983, 15183)]