51637581

素因数分解:

$3^4\times {\mathrm{769}}^1\times {\mathrm{829}}^1$

素因数の和:1610

約数の個数: 20

約数和(自身を含む): 77331100

約数和(自身を除く): 25693519

約数列:

[1, 3, 9, 27, 81, 769, 829, 2307, 2487, 6921, 7461, 20763, 22383, 62289, 67149, 637501, 1912503, 5737509, 17212527, 51637581]

約数ペア:

[(1, 51637581), (3, 17212527), (9, 5737509), (27, 1912503), (81, 637501), (769, 67149), (829, 62289), (2307, 22383), (2487, 20763), (6921, 7461)]