2220453

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 3368640

約数和(自身を除く): 1148187

約数列:

[1, 3, 9, 27, 79, 81, 237, 347, 711, 1041, 2133, 3123, 6399, 9369, 27413, 28107, 82239, 246717, 740151, 2220453]

約数ペア:

[(1, 2220453), (3, 740151), (9, 246717), (27, 82239), (79, 28107), (81, 27413), (237, 9369), (347, 6399), (711, 3123), (1041, 2133)]