2820657

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7901}}^1$

素因数の和:7928

約数の個数: 16

約数和(自身を含む): 4551552

約数和(自身を除く): 1730895

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 7901, 23703, 55307, 134317, 165921, 402951, 940219, 2820657]

約数ペア:

[(1, 2820657), (3, 940219), (7, 402951), (17, 165921), (21, 134317), (51, 55307), (119, 23703), (357, 7901)]