81309657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11149}}^1$

素因数の和:11193

約数の個数: 32

約数和(自身を含む): 134870400

約数和(自身を除く): 53560743

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 11149, 33447, 122639, 144937, 189533, 367917, 434811, 568599, 1594307, 2084863, 2463929, 4782921, 6254589, 7391787, 27103219, 81309657]

約数ペア:

[(1, 81309657), (3, 27103219), (11, 7391787), (13, 6254589), (17, 4782921), (33, 2463929), (39, 2084863), (51, 1594307), (143, 568599), (187, 434811), (221, 367917), (429, 189533), (561, 144937), (663, 122639), (2431, 33447), (7293, 11149)]