28103691

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121661}}^1$

素因数の和:121682

約数の個数: 16

約数和(自身を含む): 46718208

約数和(自身を除く): 18614517

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 121661, 364983, 851627, 1338271, 2554881, 4014813, 9367897, 28103691]

約数ペア:

[(1, 28103691), (3, 9367897), (7, 4014813), (11, 2554881), (21, 1338271), (33, 851627), (77, 364983), (231, 121661)]