2991779

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 3741696

約数和(自身を除く): 749917

約数列:

[1, 7, 17, 31, 119, 217, 527, 811, 3689, 5677, 13787, 25141, 96509, 175987, 427397, 2991779]

約数ペア:

[(1, 2991779), (7, 427397), (17, 175987), (31, 96509), (119, 25141), (217, 13787), (527, 5677), (811, 3689)]