12865719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{727}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 18240768

約数和(自身を除く): 5375049

約数列:

[1, 3, 17, 51, 347, 727, 1041, 2181, 5899, 12359, 17697, 37077, 252269, 756807, 4288573, 12865719]

約数ペア:

[(1, 12865719), (3, 4288573), (17, 756807), (51, 252269), (347, 37077), (727, 17697), (1041, 12359), (2181, 5899)]