27857785

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 34261200

約数和(自身を除く): 6403415

約数列:

[1, 5, 61, 149, 305, 613, 745, 3065, 9089, 37393, 45445, 91337, 186965, 456685, 5571557, 27857785]

約数ペア:

[(1, 27857785), (5, 5571557), (61, 456685), (149, 186965), (305, 91337), (613, 45445), (745, 37393), (3065, 9089)]