27791091

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 42469440

約数和(自身を除く): 14678349

約数列:

[1, 3, 9, 19, 57, 171, 331, 491, 993, 1473, 2979, 4419, 6289, 9329, 18867, 27987, 56601, 83961, 162521, 487563, 1462689, 3087899, 9263697, 27791091]

約数ペア:

[(1, 27791091), (3, 9263697), (9, 3087899), (19, 1462689), (57, 487563), (171, 162521), (331, 83961), (491, 56601), (993, 27987), (1473, 18867), (2979, 9329), (4419, 6289)]