320491791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{2311}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 488109440

約数和(自身を除く): 167617649

約数列:

[1, 3, 9, 19, 57, 171, 811, 2311, 2433, 6933, 7299, 15409, 20799, 43909, 46227, 131727, 138681, 395181, 1874221, 5622663, 16867989, 35610199, 106830597, 320491791]

約数ペア:

[(1, 320491791), (3, 106830597), (9, 35610199), (19, 16867989), (57, 5622663), (171, 1874221), (811, 395181), (2311, 138681), (2433, 131727), (6933, 46227), (7299, 43909), (15409, 20799)]