28283871

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11131}}^1$

素因数の和:11163

約数の個数: 24

約数和(自身を含む): 47377792

約数和(自身を除く): 19093921

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 11131, 33393, 77917, 122441, 233751, 367323, 857087, 1346851, 2571261, 4040553, 9427957, 28283871]

約数ペア:

[(1, 28283871), (3, 9427957), (7, 4040553), (11, 2571261), (21, 1346851), (33, 857087), (77, 367323), (121, 233751), (231, 122441), (363, 77917), (847, 33393), (2541, 11131)]