26961255

素因数分解:

$3^4\times 5^1\times {\mathrm{66571}}^1$

素因数の和:66588

約数の個数: 20

約数和(自身を含む): 48331272

約数和(自身を除く): 21370017

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 66571, 199713, 332855, 599139, 998565, 1797417, 2995695, 5392251, 8987085, 26961255]

約数ペア:

[(1, 26961255), (3, 8987085), (5, 5392251), (9, 2995695), (15, 1797417), (27, 998565), (45, 599139), (81, 332855), (135, 199713), (405, 66571)]