28009233

素因数分解:

$3^4\times 7^2\times {\mathrm{7057}}^1$

素因数の和:7083

約数の個数: 30

約数和(自身を含む): 48679026

約数和(自身を除く): 20669793

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7057, 21171, 49399, 63513, 148197, 190539, 345793, 444591, 571617, 1037379, 1333773, 3112137, 4001319, 9336411, 28009233]

約数ペア:

[(1, 28009233), (3, 9336411), (7, 4001319), (9, 3112137), (21, 1333773), (27, 1037379), (49, 571617), (63, 444591), (81, 345793), (147, 190539), (189, 148197), (441, 63513), (567, 49399), (1323, 21171), (3969, 7057)]