51907311

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{1259}}^1$

素因数の和:1780

約数の個数: 20

約数和(自身を含む): 77754600

約数和(自身を除く): 25847289

約数列:

[1, 3, 9, 27, 81, 509, 1259, 1527, 3777, 4581, 11331, 13743, 33993, 41229, 101979, 640831, 1922493, 5767479, 17302437, 51907311]

約数ペア:

[(1, 51907311), (3, 17302437), (9, 5767479), (27, 1922493), (81, 640831), (509, 101979), (1259, 41229), (1527, 33993), (3777, 13743), (4581, 11331)]