720520083

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{620603}}^1$

素因数の和:620655

約数の個数: 16

約数和(自身を含む): 1092263040

約数和(自身を除く): 371742957

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 620603, 1861809, 5585427, 16756281, 26685929, 80057787, 240173361, 720520083]

約数ペア:

[(1, 720520083), (3, 240173361), (9, 80057787), (27, 26685929), (43, 16756281), (129, 5585427), (387, 1861809), (1161, 620603)]