28751331

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37003}}^1$

素因数の和:37050

約数の個数: 16

約数和(自身を含む): 44996864

約数和(自身を除く): 16245533

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 37003, 111009, 259021, 777063, 1369111, 4107333, 9583777, 28751331]

約数ペア:

[(1, 28751331), (3, 9583777), (7, 4107333), (21, 1369111), (37, 777063), (111, 259021), (259, 111009), (777, 37003)]