17995431

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 24786944

約数和(自身を除く): 6791513

約数列:

[1, 3, 37, 111, 223, 669, 727, 2181, 8251, 24753, 26899, 80697, 162121, 486363, 5998477, 17995431]

約数ペア:

[(1, 17995431), (3, 5998477), (37, 486363), (111, 162121), (223, 80697), (669, 26899), (727, 24753), (2181, 8251)]