16307919

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 8851761

約数列:

[1, 3, 9, 27, 47, 71, 141, 181, 213, 423, 543, 639, 1269, 1629, 1917, 3337, 4887, 8507, 10011, 12851, 25521, 30033, 38553, 76563, 90099, 115659, 229689, 346977, 603997, 1811991, 5435973, 16307919]

約数ペア:

[(1, 16307919), (3, 5435973), (9, 1811991), (27, 603997), (47, 346977), (71, 229689), (141, 115659), (181, 90099), (213, 76563), (423, 38553), (543, 30033), (639, 25521), (1269, 12851), (1629, 10011), (1917, 8507), (3337, 4887)]