28169841

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1373}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 43000704

約数和(自身を除く): 14830863

約数列:

[1, 3, 7, 21, 977, 1373, 2931, 4119, 6839, 9611, 20517, 28833, 1341421, 4024263, 9389947, 28169841]

約数ペア:

[(1, 28169841), (3, 9389947), (7, 4024263), (21, 1341421), (977, 28833), (1373, 20517), (2931, 9611), (4119, 6839)]