28192089

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 41345280

約数和(自身を除く): 13153191

約数列:

[1, 3, 23, 29, 69, 73, 87, 193, 219, 579, 667, 1679, 2001, 2117, 4439, 5037, 5597, 6351, 13317, 14089, 16791, 42267, 48691, 128731, 146073, 324047, 386193, 408581, 972141, 1225743, 9397363, 28192089]

約数ペア:

[(1, 28192089), (3, 9397363), (23, 1225743), (29, 972141), (69, 408581), (73, 386193), (87, 324047), (193, 146073), (219, 128731), (579, 48691), (667, 42267), (1679, 16791), (2001, 14089), (2117, 13317), (4439, 6351), (5037, 5597)]