156715389

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{245251}}^1$

素因数の和:245328

約数の個数: 12

約数和(自身を含む): 229555872

約数和(自身を除く): 72840483

約数列:

[1, 3, 9, 71, 213, 639, 245251, 735753, 2207259, 17412821, 52238463, 156715389]

約数ペア:

[(1, 156715389), (3, 52238463), (9, 17412821), (71, 2207259), (213, 735753), (639, 245251)]