521506107

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{149729}}^1$

素因数の和:149784

約数の個数: 20

約数和(自身を含む): 797162520

約数和(自身を除く): 275656413

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 149729, 449187, 1347561, 4042683, 6438347, 12128049, 19315041, 57945123, 173835369, 521506107]

約数ペア:

[(1, 521506107), (3, 173835369), (9, 57945123), (27, 19315041), (43, 12128049), (81, 6438347), (129, 4042683), (387, 1347561), (1161, 449187), (3483, 149729)]