13429557

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 20

約数和(自身を含む): 20608236

約数和(自身を除く): 7178679

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4481, 13443, 40329, 120987, 165797, 362961, 497391, 1492173, 4476519, 13429557]

約数ペア:

[(1, 13429557), (3, 4476519), (9, 1492173), (27, 497391), (37, 362961), (81, 165797), (111, 120987), (333, 40329), (999, 13443), (2997, 4481)]