12959739

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 20284992

約数和(自身を除く): 7325253

約数列:

[1, 3, 9, 13, 39, 117, 257, 431, 771, 1293, 2313, 3341, 3879, 5603, 10023, 16809, 30069, 50427, 110767, 332301, 996903, 1439971, 4319913, 12959739]

約数ペア:

[(1, 12959739), (3, 4319913), (9, 1439971), (13, 996903), (39, 332301), (117, 110767), (257, 50427), (431, 30069), (771, 16809), (1293, 10023), (2313, 5603), (3341, 3879)]