311288211

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12491}}^1$

素因数の和:12584

約数の個数: 32

約数和(自身を含む): 503677440

約数和(自身を除く): 192389229

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 12491, 24921, 37473, 112419, 162383, 337257, 487149, 886861, 1461447, 2660583, 4384341, 7981749, 11529193, 23945247, 34587579, 103762737, 311288211]

約数ペア:

[(1, 311288211), (3, 103762737), (9, 34587579), (13, 23945247), (27, 11529193), (39, 7981749), (71, 4384341), (117, 2660583), (213, 1461447), (351, 886861), (639, 487149), (923, 337257), (1917, 162383), (2769, 112419), (8307, 37473), (12491, 24921)]