2789081991

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1812269}}^1$

素因数の和:1812300

約数の個数: 20

約数和(自身を含む): 4385693400

約数和(自身を除く): 1596611409

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1812269, 5436807, 16310421, 34433111, 48931263, 103299333, 146793789, 309897999, 929693997, 2789081991]

約数ペア:

[(1, 2789081991), (3, 929693997), (9, 309897999), (19, 146793789), (27, 103299333), (57, 48931263), (81, 34433111), (171, 16310421), (513, 5436807), (1539, 1812269)]