686330181

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{2683}}^1$

素因数の和:3393

約数の個数: 24

約数和(自身を含む): 1016334176

約数和(自身を除く): 330003995

約数列:

[1, 3, 9, 43, 129, 387, 661, 1983, 2683, 5949, 8049, 24147, 28423, 85269, 115369, 255807, 346107, 1038321, 1773463, 5320389, 15961167, 76258909, 228776727, 686330181]

約数ペア:

[(1, 686330181), (3, 228776727), (9, 76258909), (43, 15961167), (129, 5320389), (387, 1773463), (661, 1038321), (1983, 346107), (2683, 255807), (5949, 115369), (8049, 85269), (24147, 28423)]