25642857

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 9331863

約数列:

[1, 3, 71, 131, 213, 393, 919, 2757, 9301, 27903, 65249, 120389, 195747, 361167, 8547619, 25642857]

約数ペア:

[(1, 25642857), (3, 8547619), (71, 361167), (131, 195747), (213, 120389), (393, 65249), (919, 27903), (2757, 9301)]