4138857

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1430

約数の個数: 20

約数和(自身を含む): 6354436

約数和(自身を除く): 2215579

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 1381, 2997, 4143, 12429, 37287, 51097, 111861, 153291, 459873, 1379619, 4138857]

約数ペア:

[(1, 4138857), (3, 1379619), (9, 459873), (27, 153291), (37, 111861), (81, 51097), (111, 37287), (333, 12429), (999, 4143), (1381, 2997)]