2505789

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 1963011

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 59, 99, 117, 121, 143, 177, 297, 351, 363, 429, 531, 649, 767, 1089, 1287, 1573, 1593, 1947, 2301, 3267, 3861, 4719, 5841, 6903, 7139, 8437, 14157, 17523, 20709, 21417, 25311, 42471, 64251, 75933, 92807, 192753, 227799, 278421, 835263, 2505789]

約数ペア:

[(1, 2505789), (3, 835263), (9, 278421), (11, 227799), (13, 192753), (27, 92807), (33, 75933), (39, 64251), (59, 42471), (99, 25311), (117, 21417), (121, 20709), (143, 17523), (177, 14157), (297, 8437), (351, 7139), (363, 6903), (429, 5841), (531, 4719), (649, 3861), (767, 3267), (1089, 2301), (1287, 1947), (1573, 1593)]