16180803

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5399}}^1$

素因数の和:5448

約数の個数: 20

約数和(自身を含む): 24829200

約数和(自身を除く): 8648397

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5399, 16197, 48591, 145773, 199763, 437319, 599289, 1797867, 5393601, 16180803]

約数ペア:

[(1, 16180803), (3, 5393601), (9, 1797867), (27, 599289), (37, 437319), (81, 199763), (111, 145773), (333, 48591), (999, 16197), (2997, 5399)]