217899891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1297}}^1\times {\mathrm{1697}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 343824624

約数和(自身を除く): 125924733

約数列:

[1, 3, 9, 11, 33, 99, 1297, 1697, 3891, 5091, 11673, 14267, 15273, 18667, 42801, 56001, 128403, 168003, 2201009, 6603027, 19809081, 24211099, 72633297, 217899891]

約数ペア:

[(1, 217899891), (3, 72633297), (9, 24211099), (11, 19809081), (33, 6603027), (99, 2201009), (1297, 168003), (1697, 128403), (3891, 56001), (5091, 42801), (11673, 18667), (14267, 15273)]