2005650105

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{678731}}^1$

素因数の和:678936

約数の個数: 16

約数和(自身を含む): 3225334464

約数和(自身を除く): 1219684359

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 678731, 2036193, 3393655, 10180965, 133710007, 401130021, 668550035, 2005650105]

約数ペア:

[(1, 2005650105), (3, 668550035), (5, 401130021), (15, 133710007), (197, 10180965), (591, 3393655), (985, 2036193), (2955, 678731)]