128202405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449833}}^1$

素因数の和:449860

約数の個数: 16

約数和(自身を含む): 215920320

約数和(自身を除く): 87717915

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 449833, 1349499, 2249165, 6747495, 8546827, 25640481, 42734135, 128202405]

約数ペア:

[(1, 128202405), (3, 42734135), (5, 25640481), (15, 8546827), (19, 6747495), (57, 2249165), (95, 1349499), (285, 449833)]