289968189

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{194479}}^1$

素因数の和:194560

約数の個数: 16

約数和(自身を含む): 448081920

約数和(自身を除く): 158113731

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 194479, 583437, 1361353, 4084059, 13808009, 41424027, 96656063, 289968189]

約数ペア:

[(1, 289968189), (3, 96656063), (7, 41424027), (21, 13808009), (71, 4084059), (213, 1361353), (497, 583437), (1491, 194479)]