225808155

素因数分解:

$3^4\times 5^1\times {\mathrm{557551}}^1$

素因数の和:557568

約数の個数: 20

約数和(自身を含む): 404782752

約数和(自身を除く): 178974597

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 557551, 1672653, 2787755, 5017959, 8363265, 15053877, 25089795, 45161631, 75269385, 225808155]

約数ペア:

[(1, 225808155), (3, 75269385), (5, 45161631), (9, 25089795), (15, 15053877), (27, 8363265), (45, 5017959), (81, 2787755), (135, 1672653), (405, 557551)]