51246153

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18917}}^1$

素因数の和:18973

約数の個数: 24

約数和(自身を含む): 86568768

約数和(自身を除く): 35322615

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 18917, 56751, 132419, 170253, 397257, 813431, 1191771, 2440293, 5694017, 7320879, 17082051, 51246153]

約数ペア:

[(1, 51246153), (3, 17082051), (7, 7320879), (9, 5694017), (21, 2440293), (43, 1191771), (63, 813431), (129, 397257), (301, 170253), (387, 132419), (903, 56751), (2709, 18917)]