28757799

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3023}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 47803392

約数和(自身を除く): 19045593

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3023, 3171, 9069, 9513, 21161, 27207, 63483, 190449, 456473, 1369419, 3195311, 4108257, 9585933, 28757799]

約数ペア:

[(1, 28757799), (3, 9585933), (7, 4108257), (9, 3195311), (21, 1369419), (63, 456473), (151, 190449), (453, 63483), (1057, 27207), (1359, 21161), (3023, 9513), (3171, 9069)]