420544089

素因数分解:

$3^3\times 7^1\times {\mathrm{2225101}}^1$

素因数の和:2225117

約数の個数: 16

約数和(自身を含む): 712032640

約数和(自身を除く): 291488551

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2225101, 6675303, 15575707, 20025909, 46727121, 60077727, 140181363, 420544089]

約数ペア:

[(1, 420544089), (3, 140181363), (7, 60077727), (9, 46727121), (21, 20025909), (27, 15575707), (63, 6675303), (189, 2225101)]