156507921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{915251}}^1$

素因数の和:915276

約数の個数: 12

約数和(自身を含む): 237965520

約数和(自身を除く): 81457599

約数列:

[1, 3, 9, 19, 57, 171, 915251, 2745753, 8237259, 17389769, 52169307, 156507921]

約数ペア:

[(1, 156507921), (3, 52169307), (9, 17389769), (19, 8237259), (57, 2745753), (171, 915251)]