51215451

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1319}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 79960320

約数和(自身を除く): 28744869

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1319, 1849, 3957, 5547, 9233, 12943, 27699, 38829, 56717, 170151, 397019, 1191057, 2438831, 7316493, 17071817, 51215451]

約数ペア:

[(1, 51215451), (3, 17071817), (7, 7316493), (21, 2438831), (43, 1191057), (129, 397019), (301, 170151), (903, 56717), (1319, 38829), (1849, 27699), (3957, 12943), (5547, 9233)]