1680131403

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{135571}}^1$

素因数の和:135606

約数の個数: 28

約数和(自身を含む): 2667243528

約数和(自身を除く): 987112125

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 135571, 406713, 1220139, 2304707, 3660417, 6914121, 10981251, 20742363, 32943753, 62227089, 98831259, 186681267, 560043801, 1680131403]

約数ペア:

[(1, 1680131403), (3, 560043801), (9, 186681267), (17, 98831259), (27, 62227089), (51, 32943753), (81, 20742363), (153, 10981251), (243, 6914121), (459, 3660417), (729, 2304707), (1377, 1220139), (4131, 406713), (12393, 135571)]