28218981

素因数分解:

$3^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1367}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 43075584

約数和(自身を除く): 14856603

約数列:

[1, 3, 7, 21, 983, 1367, 2949, 4101, 6881, 9569, 20643, 28707, 1343761, 4031283, 9406327, 28218981]

約数ペア:

[(1, 28218981), (3, 9406327), (7, 4031283), (21, 1343761), (983, 28707), (1367, 20643), (2949, 9569), (4101, 6881)]