2016321579

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{47779}}^1$

素因数の和:48312

約数の個数: 20

約数和(自身を含む): 3017880360

約数和(自身を除く): 1001558781

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 47779, 143337, 430011, 1290033, 3870099, 24892859, 74678577, 224035731, 672107193, 2016321579]

約数ペア:

[(1, 2016321579), (3, 672107193), (9, 224035731), (27, 74678577), (81, 24892859), (521, 3870099), (1563, 1290033), (4689, 430011), (14067, 143337), (42201, 47779)]