165746817

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{18773}}^1$

素因数の和:18894

約数の個数: 20

約数和(自身を含む): 249881940

約数和(自身を除く): 84135123

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 18773, 56319, 168957, 506871, 1520613, 2046257, 6138771, 18416313, 55248939, 165746817]

約数ペア:

[(1, 165746817), (3, 55248939), (9, 18416313), (27, 6138771), (81, 2046257), (109, 1520613), (327, 506871), (981, 168957), (2943, 56319), (8829, 18773)]