1899321

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 2648448

約数和(自身を除く): 749127

約数列:

[1, 3, 37, 71, 111, 213, 241, 723, 2627, 7881, 8917, 17111, 26751, 51333, 633107, 1899321]

約数ペア:

[(1, 1899321), (3, 633107), (37, 51333), (71, 26751), (111, 17111), (213, 8917), (241, 7881), (723, 2627)]