28263591

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 42144960

約数和(自身を除く): 13881369

約数列:

[1, 3, 9, 47, 109, 141, 327, 423, 613, 981, 1839, 5123, 5517, 15369, 28811, 46107, 66817, 86433, 200451, 259299, 601353, 3140399, 9421197, 28263591]

約数ペア:

[(1, 28263591), (3, 9421197), (9, 3140399), (47, 601353), (109, 259299), (141, 200451), (327, 86433), (423, 66817), (613, 46107), (981, 28811), (1839, 15369), (5123, 5517)]