40108509

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 68124576

約数和(自身を除く): 28016067

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 883, 927, 2163, 2649, 5047, 6181, 6489, 7947, 15141, 18543, 43267, 45423, 55629, 90949, 129801, 272847, 389403, 636643, 818541, 1909929, 4456501, 5729787, 13369503, 40108509]

約数ペア:

[(1, 40108509), (3, 13369503), (7, 5729787), (9, 4456501), (21, 1909929), (49, 818541), (63, 636643), (103, 389403), (147, 272847), (309, 129801), (441, 90949), (721, 55629), (883, 45423), (927, 43267), (2163, 18543), (2649, 15141), (5047, 7947), (6181, 6489)]