81772839

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 126913800

約数和(自身を除く): 45140961

約数列:

[1, 3, 9, 17, 51, 149, 153, 211, 289, 447, 633, 867, 1341, 1899, 2533, 2601, 3587, 7599, 10761, 22797, 31439, 32283, 43061, 60979, 94317, 129183, 182937, 282951, 387549, 534463, 548811, 1603389, 4810167, 9085871, 27257613, 81772839]

約数ペア:

[(1, 81772839), (3, 27257613), (9, 9085871), (17, 4810167), (51, 1603389), (149, 548811), (153, 534463), (211, 387549), (289, 282951), (447, 182937), (633, 129183), (867, 94317), (1341, 60979), (1899, 43061), (2533, 32283), (2601, 31439), (3587, 22797), (7599, 10761)]