66904137

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{5261}}^1$

素因数の和:5430

約数の個数: 20

約数和(自身を含む): 100598916

約数和(自身を除く): 33694779

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 5261, 12717, 15783, 47349, 142047, 426141, 825977, 2477931, 7433793, 22301379, 66904137]

約数ペア:

[(1, 66904137), (3, 22301379), (9, 7433793), (27, 2477931), (81, 825977), (157, 426141), (471, 142047), (1413, 47349), (4239, 15783), (5261, 12717)]