870021

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:502

約数の個数: 20

約数和(自身を含む): 1359072

約数和(自身を除く): 489051

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 467, 621, 1401, 1863, 4203, 10741, 12609, 32223, 37827, 96669, 290007, 870021]

約数ペア:

[(1, 870021), (3, 290007), (9, 96669), (23, 37827), (27, 32223), (69, 12609), (81, 10741), (207, 4203), (467, 1863), (621, 1401)]