156726891

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{245269}}^1$

素因数の和:245346

約数の個数: 12

約数和(自身を含む): 229572720

約数和(自身を除く): 72845829

約数列:

[1, 3, 9, 71, 213, 639, 245269, 735807, 2207421, 17414099, 52242297, 156726891]

約数ペア:

[(1, 156726891), (3, 52242297), (9, 17414099), (71, 2207421), (213, 735807), (639, 245269)]