320047521

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{14489}}^1$

素因数の和:14728

約数の個数: 16

約数和(自身を含む): 440496000

約数和(自身を除く): 120448479

約数列:

[1, 3, 37, 111, 199, 597, 7363, 14489, 22089, 43467, 536093, 1608279, 2883311, 8649933, 106682507, 320047521]

約数ペア:

[(1, 320047521), (3, 106682507), (37, 8649933), (111, 2883311), (199, 1608279), (597, 536093), (7363, 43467), (14489, 22089)]