2982777

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 4694976

約数和(自身を除く): 1712199

約数列:

[1, 3, 7, 21, 49, 103, 147, 197, 309, 591, 721, 1379, 2163, 4137, 5047, 9653, 15141, 20291, 28959, 60873, 142037, 426111, 994259, 2982777]

約数ペア:

[(1, 2982777), (3, 994259), (7, 426111), (21, 142037), (49, 60873), (103, 28959), (147, 20291), (197, 15141), (309, 9653), (591, 5047), (721, 4137), (1379, 2163)]