19984077

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 28

約数和(自身を含む): 30429120

約数和(自身を除く): 10445043

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 347, 711, 729, 1041, 2133, 3123, 6399, 9369, 19197, 27413, 28107, 57591, 82239, 84321, 246717, 252963, 740151, 2220453, 6661359, 19984077]

約数ペア:

[(1, 19984077), (3, 6661359), (9, 2220453), (27, 740151), (79, 252963), (81, 246717), (237, 84321), (243, 82239), (347, 57591), (711, 28107), (729, 27413), (1041, 19197), (2133, 9369), (3123, 6399)]