209929121307

素因数分解:

$3^5\times {\mathrm{509}}^1\times {\mathrm{1697261}}^1$

素因数の和:1697785

約数の個数: 24

約数和(自身を含む): 315079717680

約数和(自身を除く): 105150596373

約数列:

[1, 3, 9, 27, 81, 243, 509, 1527, 4581, 13743, 41229, 123687, 1697261, 5091783, 15275349, 45826047, 137478141, 412434423, 863905849, 2591717547, 7775152641, 23325457923, 69976373769, 209929121307]

約数ペア:

[(1, 209929121307), (3, 69976373769), (9, 23325457923), (27, 7775152641), (81, 2591717547), (243, 863905849), (509, 412434423), (1527, 137478141), (4581, 45826047), (13743, 15275349), (41229, 5091783), (123687, 1697261)]