25804317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6571}}^1$

素因数の和:6609

約数の個数: 32

約数和(自身を含む): 45425664

約数和(自身を除く): 19621347

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 6571, 19713, 45997, 72281, 111707, 137991, 216843, 335121, 505967, 781949, 1228777, 1517901, 2345847, 3686331, 8601439, 25804317]

約数ペア:

[(1, 25804317), (3, 8601439), (7, 3686331), (11, 2345847), (17, 1517901), (21, 1228777), (33, 781949), (51, 505967), (77, 335121), (119, 216843), (187, 137991), (231, 111707), (357, 72281), (561, 45997), (1309, 19713), (3927, 6571)]