16428903

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 22415616

約数和(自身を除く): 5986713

約数列:

[1, 3, 71, 137, 213, 411, 563, 1689, 9727, 29181, 39973, 77131, 119919, 231393, 5476301, 16428903]

約数ペア:

[(1, 16428903), (3, 5476301), (71, 231393), (137, 119919), (213, 77131), (411, 39973), (563, 29181), (1689, 9727)]