289790973

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{151169}}^1$

素因数の和:151249

約数の個数: 16

約数和(自身を含む): 435369600

約数和(自身を除く): 145578627

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 151169, 453507, 1360521, 4081563, 10732999, 32198997, 96596991, 289790973]

約数ペア:

[(1, 289790973), (3, 96596991), (9, 32198997), (27, 10732999), (71, 4081563), (213, 1360521), (639, 453507), (1917, 151169)]