131444217

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{205703}}^1$

素因数の和:205780

約数の個数: 12

約数和(自身を含む): 192538944

約数和(自身を除く): 61094727

約数列:

[1, 3, 9, 71, 213, 639, 205703, 617109, 1851327, 14604913, 43814739, 131444217]

約数ペア:

[(1, 131444217), (3, 43814739), (9, 14604913), (71, 1851327), (213, 617109), (639, 205703)]