81240765

素因数分解:

$3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{7639}}^1$

素因数の和:8356

約数の個数: 16

約数和(自身を含む): 130185600

約数和(自身を除く): 48944835

約数列:

[1, 3, 5, 15, 709, 2127, 3545, 7639, 10635, 22917, 38195, 114585, 5416051, 16248153, 27080255, 81240765]

約数ペア:

[(1, 81240765), (3, 27080255), (5, 16248153), (15, 5416051), (709, 114585), (2127, 38195), (3545, 22917), (7639, 10635)]