51605991

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{2857}}^1$

素因数の和:3092

約数の個数: 20

約数和(自身を含む): 77463232

約数和(自身を除く): 25857241

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 2857, 6021, 8571, 18063, 25713, 77139, 231417, 637111, 1911333, 5733999, 17201997, 51605991]

約数ペア:

[(1, 51605991), (3, 17201997), (9, 5733999), (27, 1911333), (81, 637111), (223, 231417), (669, 77139), (2007, 25713), (2857, 18063), (6021, 8571)]