868989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 1339200

約数和(自身を除く): 470211

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 1549, 4647, 17039, 26333, 51117, 78999, 289663, 868989]

約数ペア:

[(1, 868989), (3, 289663), (11, 78999), (17, 51117), (33, 26333), (51, 17039), (187, 4647), (561, 1549)]