87703389

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137251}}^1$

素因数の和:137328

約数の個数: 12

約数和(自身を含む): 128467872

約数和(自身を除く): 40764483

約数列:

[1, 3, 9, 71, 213, 639, 137251, 411753, 1235259, 9744821, 29234463, 87703389]

約数ペア:

[(1, 87703389), (3, 29234463), (9, 9744821), (71, 1235259), (213, 411753), (639, 137251)]