8991591

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4157}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 13837824

約数和(自身を除く): 4846233

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 4157, 12471, 29099, 87297, 428171, 1284513, 2997197, 8991591]

約数ペア:

[(1, 8991591), (3, 2997197), (7, 1284513), (21, 428171), (103, 87297), (309, 29099), (721, 12471), (2163, 4157)]