561039

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 16

約数和(自身を含む): 801792

約数和(自身を除く): 240753

約数列:

[1, 3, 23, 47, 69, 141, 173, 519, 1081, 3243, 3979, 8131, 11937, 24393, 187013, 561039]

約数ペア:

[(1, 561039), (3, 187013), (23, 24393), (47, 11937), (69, 8131), (141, 3979), (173, 3243), (519, 1081)]