213878418621

素因数分解:

$3^1\times 7^1\times {\mathrm{10243}}^1\times {\mathrm{994307}}^1$

素因数の和:1004560

約数の個数: 16

約数和(自身を含む): 325942116864

約数和(自身を除く): 112063698243

約数列:

[1, 3, 7, 21, 10243, 30729, 71701, 215103, 994307, 2982921, 6960149, 20880447, 10184686601, 30554059803, 71292806207, 213878418621]

約数ペア:

[(1, 213878418621), (3, 71292806207), (7, 30554059803), (21, 10184686601), (10243, 20880447), (30729, 6960149), (71701, 2982921), (215103, 994307)]