25719141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 41866240

約数和(自身を除く): 16147099

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 883, 1387, 1533, 2649, 4161, 6181, 9709, 16777, 18543, 29127, 50331, 64459, 117439, 193377, 352317, 451213, 1224721, 1353639, 3674163, 8573047, 25719141]

約数ペア:

[(1, 25719141), (3, 8573047), (7, 3674163), (19, 1353639), (21, 1224721), (57, 451213), (73, 352317), (133, 193377), (219, 117439), (399, 64459), (511, 50331), (883, 29127), (1387, 18543), (1533, 16777), (2649, 9709), (4161, 6181)]