28666215

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2267}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 49886928

約数和(自身を除く): 21220713

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 1405, 2267, 2529, 4215, 6801, 11335, 12645, 20403, 34005, 102015, 637027, 1911081, 3185135, 5733243, 9555405, 28666215]

約数ペア:

[(1, 28666215), (3, 9555405), (5, 5733243), (9, 3185135), (15, 1911081), (45, 637027), (281, 102015), (843, 34005), (1405, 20403), (2267, 12645), (2529, 11335), (4215, 6801)]