257133609

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{9533}}^1$

素因数の和:9588

約数の個数: 28

約数和(自身を含む): 395985156

約数和(自身を除く): 138851547

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 2997, 8991, 9533, 26973, 28599, 85797, 257391, 352721, 772173, 1058163, 2316519, 3174489, 6949557, 9523467, 28570401, 85711203, 257133609]

約数ペア:

[(1, 257133609), (3, 85711203), (9, 28570401), (27, 9523467), (37, 6949557), (81, 3174489), (111, 2316519), (243, 1058163), (333, 772173), (729, 352721), (999, 257391), (2997, 85797), (8991, 28599), (9533, 26973)]