217826931

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{79181}}^1$

素因数の和:79322

約数の個数: 16

約数和(自身を含む): 334464768

約数和(自身を除く): 116637837

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 79181, 237543, 554267, 1662801, 10372711, 31118133, 72608977, 217826931]

約数ペア:

[(1, 217826931), (3, 72608977), (7, 31118133), (21, 10372711), (131, 1662801), (393, 554267), (917, 237543), (2751, 79181)]