1335681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 2077920

約数和(自身を除く): 742239

約数列:

[1, 3, 9, 19, 57, 73, 107, 171, 219, 321, 657, 963, 1387, 2033, 4161, 6099, 7811, 12483, 18297, 23433, 70299, 148409, 445227, 1335681]

約数ペア:

[(1, 1335681), (3, 445227), (9, 148409), (19, 70299), (57, 23433), (73, 18297), (107, 12483), (171, 7811), (219, 6099), (321, 4161), (657, 2033), (963, 1387)]