217684809

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{361003}}^1$

素因数の和:361076

約数の個数: 12

約数和(自身を含む): 319127536

約数和(自身を除く): 101442727

約数列:

[1, 3, 9, 67, 201, 603, 361003, 1083009, 3249027, 24187201, 72561603, 217684809]

約数ペア:

[(1, 217684809), (3, 72561603), (9, 24187201), (67, 3249027), (201, 1083009), (603, 361003)]