40800781

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 50791104

約数和(自身を除く): 9990323

約数列:

[1, 7, 23, 41, 49, 161, 287, 883, 943, 1127, 2009, 6181, 6601, 20309, 36203, 43267, 46207, 142163, 253421, 832669, 995141, 1773947, 5828683, 40800781]

約数ペア:

[(1, 40800781), (7, 5828683), (23, 1773947), (41, 995141), (49, 832669), (161, 253421), (287, 142163), (883, 46207), (943, 43267), (1127, 36203), (2009, 20309), (6181, 6601)]