15661251

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{24509}}^1$

素因数の和:24586

約数の個数: 12

約数和(自身を含む): 22941360

約数和(自身を除く): 7280109

約数列:

[1, 3, 9, 71, 213, 639, 24509, 73527, 220581, 1740139, 5220417, 15661251]

約数ペア:

[(1, 15661251), (3, 5220417), (9, 1740139), (71, 220581), (213, 73527), (639, 24509)]