2640405

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 4268160

約数和(自身を除く): 1627755

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 1709, 5127, 8545, 25635, 176027, 528081, 880135, 2640405]

約数ペア:

[(1, 2640405), (3, 880135), (5, 528081), (15, 176027), (103, 25635), (309, 8545), (515, 5127), (1545, 1709)]