208983921

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{2347}}^1$

素因数の和:2860

約数の個数: 16

約数和(自身を含む): 283563264

約数和(自身を除く): 74579343

約数列:

[1, 3, 67, 201, 443, 1329, 2347, 7041, 29681, 89043, 157249, 471747, 1039721, 3119163, 69661307, 208983921]

約数ペア:

[(1, 208983921), (3, 69661307), (67, 3119163), (201, 1039721), (443, 471747), (1329, 157249), (2347, 89043), (7041, 29681)]