28294203

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{127}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 43880448

約数和(自身を除く): 15586245

約数列:

[1, 3, 7, 21, 103, 127, 309, 381, 721, 889, 2163, 2667, 10609, 13081, 31827, 39243, 74263, 91567, 222789, 274701, 1347343, 4042029, 9431401, 28294203]

約数ペア:

[(1, 28294203), (3, 9431401), (7, 4042029), (21, 1347343), (103, 274701), (127, 222789), (309, 91567), (381, 74263), (721, 39243), (889, 31827), (2163, 13081), (2667, 10609)]