2728743

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 3856896

約数和(自身を除く): 1128153

約数列:

[1, 3, 23, 69, 71, 213, 557, 1633, 1671, 4899, 12811, 38433, 39547, 118641, 909581, 2728743]

約数ペア:

[(1, 2728743), (3, 909581), (23, 118641), (69, 39547), (71, 38433), (213, 12811), (557, 4899), (1633, 1671)]