28676907

素因数分解:

$3^2\times 7^2\times {\mathrm{65027}}^1$

素因数の和:65047

約数の個数: 18

約数和(自身を含む): 48185748

約数和(自身を除く): 19508841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65027, 195081, 455189, 585243, 1365567, 3186323, 4096701, 9558969, 28676907]

約数ペア:

[(1, 28676907), (3, 9558969), (7, 4096701), (9, 3186323), (21, 1365567), (49, 585243), (63, 455189), (147, 195081), (441, 65027)]