2115155

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 2924544

約数和(自身を除く): 809389

約数列:

[1, 5, 7, 35, 223, 271, 1115, 1355, 1561, 1897, 7805, 9485, 60433, 302165, 423031, 2115155]

約数ペア:

[(1, 2115155), (5, 423031), (7, 302165), (35, 60433), (223, 9485), (271, 7805), (1115, 1897), (1355, 1561)]