128546991

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5437}}^1$

素因数の和:5551

約数の個数: 24

約数和(自身を含む): 193418784

約数和(自身を除く): 64871793

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 5437, 7881, 16311, 23643, 48933, 201169, 386027, 603507, 1158081, 1810521, 3474243, 14282999, 42848997, 128546991]

約数ペア:

[(1, 128546991), (3, 42848997), (9, 14282999), (37, 3474243), (71, 1810521), (111, 1158081), (213, 603507), (333, 386027), (639, 201169), (2627, 48933), (5437, 23643), (7881, 16311)]