1271880063

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{22147}}^1$

素因数の和:22868

約数の個数: 20

約数和(自身を含む): 1902734680

約数和(自身を除く): 630854617

約数列:

[1, 3, 9, 27, 81, 709, 2127, 6381, 19143, 22147, 57429, 66441, 199323, 597969, 1793907, 15702223, 47106669, 141320007, 423960021, 1271880063]

約数ペア:

[(1, 1271880063), (3, 423960021), (9, 141320007), (27, 47106669), (81, 15702223), (709, 1793907), (2127, 597969), (6381, 199323), (19143, 66441), (22147, 57429)]