25440129

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 44688000

約数和(自身を除く): 19247871

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 599, 1089, 1287, 1573, 1797, 3267, 3861, 4719, 5391, 6589, 7787, 14157, 16173, 19767, 23361, 42471, 59301, 70083, 72479, 85657, 177903, 210249, 217437, 256971, 652311, 770913, 942227, 1956933, 2312739, 2826681, 8480043, 25440129]

約数ペア:

[(1, 25440129), (3, 8480043), (9, 2826681), (11, 2312739), (13, 1956933), (27, 942227), (33, 770913), (39, 652311), (99, 256971), (117, 217437), (121, 210249), (143, 177903), (297, 85657), (351, 72479), (363, 70083), (429, 59301), (599, 42471), (1089, 23361), (1287, 19767), (1573, 16173), (1797, 14157), (3267, 7787), (3861, 6589), (4719, 5391)]