2439891

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 3841344

約数和(自身を除く): 1401453

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 431, 629, 1293, 1887, 3879, 5661, 7327, 15947, 21981, 47841, 65943, 143523, 271099, 813297, 2439891]

約数ペア:

[(1, 2439891), (3, 813297), (9, 271099), (17, 143523), (37, 65943), (51, 47841), (111, 21981), (153, 15947), (333, 7327), (431, 5661), (629, 3879), (1293, 1887)]