13906215

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 10976985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 431, 717, 1195, 1293, 2151, 2155, 3585, 3879, 6453, 6465, 10755, 11637, 19395, 32265, 58185, 103009, 309027, 515045, 927081, 1545135, 2781243, 4635405, 13906215]

約数ペア:

[(1, 13906215), (3, 4635405), (5, 2781243), (9, 1545135), (15, 927081), (27, 515045), (45, 309027), (135, 103009), (239, 58185), (431, 32265), (717, 19395), (1195, 11637), (1293, 10755), (2151, 6465), (2155, 6453), (3585, 3879)]