15721444197

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{5341979}}^1$

素因数の和:5342097

約数の個数: 16

約数和(自身を含む): 23504712000

約数和(自身を除く): 7783267803

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 5341979, 16025937, 48077811, 144233433, 582275711, 1746827133, 5240481399, 15721444197]

約数ペア:

[(1, 15721444197), (3, 5240481399), (9, 1746827133), (27, 582275711), (109, 144233433), (327, 48077811), (981, 16025937), (2943, 5341979)]