12857691

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55661}}^1$

素因数の和:55682

約数の個数: 16

約数和(自身を含む): 21374208

約数和(自身を除く): 8516517

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 55661, 166983, 389627, 612271, 1168881, 1836813, 4285897, 12857691]

約数ペア:

[(1, 12857691), (3, 4285897), (7, 1836813), (11, 1168881), (21, 612271), (33, 389627), (77, 166983), (231, 55661)]