871155

素因数分解:

$3^6\times 5^1\times {\mathrm{239}}^1$

素因数の和:262

約数の個数: 28

約数和(自身を含む): 1573920

約数和(自身を除く): 702765

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 239, 243, 405, 717, 729, 1195, 1215, 2151, 3585, 3645, 6453, 10755, 19359, 32265, 58077, 96795, 174231, 290385, 871155]

約数ペア:

[(1, 871155), (3, 290385), (5, 174231), (9, 96795), (15, 58077), (27, 32265), (45, 19359), (81, 10755), (135, 6453), (239, 3645), (243, 3585), (405, 2151), (717, 1215), (729, 1195)]