2986781

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 3807360

約数和(自身を除く): 820579

約数列:

[1, 7, 17, 19, 119, 133, 323, 1321, 2261, 9247, 22457, 25099, 157199, 175693, 426683, 2986781]

約数ペア:

[(1, 2986781), (7, 426683), (17, 175693), (19, 157199), (119, 25099), (133, 22457), (323, 9247), (1321, 2261)]