28449939

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1879}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 44578560

約数和(自身を除く): 16128621

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1879, 2163, 5047, 5637, 13153, 15141, 39459, 92071, 193537, 276213, 580611, 1354759, 4064277, 9483313, 28449939]

約数ペア:

[(1, 28449939), (3, 9483313), (7, 4064277), (21, 1354759), (49, 580611), (103, 276213), (147, 193537), (309, 92071), (721, 39459), (1879, 15141), (2163, 13153), (5047, 5637)]