16928121

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19661}}^1$

素因数の和:19712

約数の個数: 16

約数和(自身を含む): 26425728

約数和(自身を除く): 9497607

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 19661, 58983, 137627, 412881, 806101, 2418303, 5642707, 16928121]

約数ペア:

[(1, 16928121), (3, 5642707), (7, 2418303), (21, 806101), (41, 412881), (123, 137627), (287, 58983), (861, 19661)]