258153021

素因数分解:

$3^3\times 7^2\times {\mathrm{195127}}^1$

素因数の和:195150

約数の個数: 24

約数和(自身を含む): 444891840

約数和(自身を除く): 186738819

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 195127, 585381, 1365889, 1756143, 4097667, 5268429, 9561223, 12293001, 28683669, 36879003, 86051007, 258153021]

約数ペア:

[(1, 258153021), (3, 86051007), (7, 36879003), (9, 28683669), (21, 12293001), (27, 9561223), (49, 5268429), (63, 4097667), (147, 1756143), (189, 1365889), (441, 585381), (1323, 195127)]