1620189

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 2505600

約数和(自身を除く): 885411

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 2609, 7827, 23481, 60007, 70443, 180021, 540063, 1620189]

約数ペア:

[(1, 1620189), (3, 540063), (9, 180021), (23, 70443), (27, 60007), (69, 23481), (207, 7827), (621, 2609)]