28779849

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4523}}^1$

素因数の和:4637

約数の個数: 24

約数和(自身を含む): 47990592

約数和(自身を除く): 19210743

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4523, 6363, 13569, 31661, 40707, 94983, 284949, 456823, 1370469, 3197761, 4111407, 9593283, 28779849]

約数ペア:

[(1, 28779849), (3, 9593283), (7, 4111407), (9, 3197761), (21, 1370469), (63, 456823), (101, 284949), (303, 94983), (707, 40707), (909, 31661), (2121, 13569), (4523, 6363)]