257702931

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{30109}}^1$

素因数の和:30435

約数の個数: 16

約数和(自身を含む): 382999200

約数和(自身を除く): 125296269

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 30109, 90327, 270981, 812943, 9544553, 28633659, 85900977, 257702931]

約数ペア:

[(1, 257702931), (3, 85900977), (9, 28633659), (27, 9544553), (317, 812943), (951, 270981), (2853, 90327), (8559, 30109)]