28175697

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{25873}}^1$

素因数の和:25901

約数の個数: 18

約数和(自身を含む): 44736146

約数和(自身を除く): 16560449

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 25873, 77619, 232857, 284603, 853809, 2561427, 3130633, 9391899, 28175697]

約数ペア:

[(1, 28175697), (3, 9391899), (9, 3130633), (11, 2561427), (33, 853809), (99, 284603), (121, 232857), (363, 77619), (1089, 25873)]