19980783

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5827}}^1$

素因数の和:5963

約数の個数: 16

約数和(自身を含む): 29839360

約数和(自身を除く): 9858577

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5827, 17481, 52443, 157329, 740029, 2220087, 6660261, 19980783]

約数ペア:

[(1, 19980783), (3, 6660261), (9, 2220087), (27, 740029), (127, 157329), (381, 52443), (1143, 17481), (3429, 5827)]