81105423

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72871}}^1$

素因数の和:72934

約数の個数: 16

約数和(自身を含む): 125922816

約数和(自身を除く): 44817393

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72871, 218613, 510097, 1530291, 3862163, 11586489, 27035141, 81105423]

約数ペア:

[(1, 81105423), (3, 27035141), (7, 11586489), (21, 3862163), (53, 1530291), (159, 510097), (371, 218613), (1113, 72871)]