20160921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8369}}^1$

素因数の和:8456

約数の個数: 16

約数和(自身を含む): 29730240

約数和(自身を除く): 9569319

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8369, 25107, 92059, 276177, 610937, 1832811, 6720307, 20160921]

約数ペア:

[(1, 20160921), (3, 6720307), (11, 1832811), (33, 610937), (73, 276177), (219, 92059), (803, 25107), (2409, 8369)]