215876211

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{24977}}^1$

素因数の和:25090

約数の個数: 16

約数和(自身を含む): 298936704

約数和(自身を除く): 83060493

約数列:

[1, 3, 43, 67, 129, 201, 2881, 8643, 24977, 74931, 1074011, 1673459, 3222033, 5020377, 71958737, 215876211]

約数ペア:

[(1, 215876211), (3, 71958737), (43, 5020377), (67, 3222033), (129, 1673459), (201, 1074011), (2881, 74931), (8643, 24977)]