9920847

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 13704320

約数和(自身を除く): 3783473

約数列:

[1, 3, 37, 111, 139, 417, 643, 1929, 5143, 15429, 23791, 71373, 89377, 268131, 3306949, 9920847]

約数ペア:

[(1, 9920847), (3, 3306949), (37, 268131), (111, 89377), (139, 71373), (417, 23791), (643, 15429), (1929, 5143)]