1931357197

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{73127}}^1$

素因数の和:73166

約数の個数: 20

約数和(自身を含む): 2457978336

約数和(自身を除く): 526621139

約数列:

[1, 7, 11, 49, 77, 343, 539, 2401, 3773, 26411, 73127, 511889, 804397, 3583223, 5630779, 25082561, 39415453, 175577927, 275908171, 1931357197]

約数ペア:

[(1, 1931357197), (7, 275908171), (11, 175577927), (49, 39415453), (77, 25082561), (343, 5630779), (539, 3583223), (2401, 804397), (3773, 511889), (26411, 73127)]