11953801881

素因数分解:

$3^4\times 7^1\times {\mathrm{21082543}}^1$

素因数の和:21082562

約数の個数: 20

約数和(自身を含む): 20407902592

約数和(自身を除く): 8454100711

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21082543, 63247629, 147577801, 189742887, 442733403, 569228661, 1328200209, 1707685983, 3984600627, 11953801881]

約数ペア:

[(1, 11953801881), (3, 3984600627), (7, 1707685983), (9, 1328200209), (21, 569228661), (27, 442733403), (63, 189742887), (81, 147577801), (189, 63247629), (567, 21082543)]