159712217

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{105143}}^1$

素因数の和:105188

約数の個数: 12

約数和(自身を含む): 191782656

約数和(自身を除く): 32070439

約数列:

[1, 7, 31, 49, 217, 1519, 105143, 736001, 3259433, 5152007, 22816031, 159712217]

約数ペア:

[(1, 159712217), (7, 22816031), (31, 5152007), (49, 3259433), (217, 736001), (1519, 105143)]