51213285

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1759}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 88957440

約数和(自身を除く): 37744155

約数列:

[1, 3, 5, 9, 15, 45, 647, 1759, 1941, 3235, 5277, 5823, 8795, 9705, 15831, 26385, 29115, 79155, 1138073, 3414219, 5690365, 10242657, 17071095, 51213285]

約数ペア:

[(1, 51213285), (3, 17071095), (5, 10242657), (9, 5690365), (15, 3414219), (45, 1138073), (647, 79155), (1759, 29115), (1941, 26385), (3235, 15831), (5277, 9705), (5823, 8795)]