16639287

素因数分解:

$3^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{977}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 25412352

約数和(自身を除く): 8773065

約数列:

[1, 3, 7, 21, 811, 977, 2433, 2931, 5677, 6839, 17031, 20517, 792347, 2377041, 5546429, 16639287]

約数ペア:

[(1, 16639287), (3, 5546429), (7, 2377041), (21, 792347), (811, 20517), (977, 17031), (2433, 6839), (2931, 5677)]