247186215

素因数分解:

$3^3\times 5^1\times {\mathrm{1831009}}^1$

素因数の和:1831023

約数の個数: 16

約数和(自身を含む): 439442400

約数和(自身を除く): 192256185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1831009, 5493027, 9155045, 16479081, 27465135, 49437243, 82395405, 247186215]

約数ペア:

[(1, 247186215), (3, 82395405), (5, 49437243), (9, 27465135), (15, 16479081), (27, 9155045), (45, 5493027), (135, 1831009)]