340946613

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 581042176

約数和(自身を除く): 240095563

約数列:

[1, 3, 7, 9, 21, 43, 63, 127, 129, 301, 381, 387, 889, 903, 991, 1143, 2667, 2709, 2973, 5461, 6937, 8001, 8919, 16383, 20811, 38227, 42613, 49149, 62433, 114681, 125857, 127839, 298291, 344043, 377571, 383517, 880999, 894873, 1132713, 2642997, 2684619, 5411851, 7928991, 16235553, 37882957, 48706659, 113648871, 340946613]

約数ペア:

[(1, 340946613), (3, 113648871), (7, 48706659), (9, 37882957), (21, 16235553), (43, 7928991), (63, 5411851), (127, 2684619), (129, 2642997), (301, 1132713), (381, 894873), (387, 880999), (889, 383517), (903, 377571), (991, 344043), (1143, 298291), (2667, 127839), (2709, 125857), (2973, 114681), (5461, 62433), (6937, 49149), (8001, 42613), (8919, 38227), (16383, 20811)]