212553657

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 311831520

約数和(自身を除く): 99277863

約数列:

[1, 3, 9, 131, 139, 393, 417, 1179, 1251, 1297, 3891, 11673, 18209, 54627, 163881, 169907, 180283, 509721, 540849, 1529163, 1622547, 23617073, 70851219, 212553657]

約数ペア:

[(1, 212553657), (3, 70851219), (9, 23617073), (131, 1622547), (139, 1529163), (393, 540849), (417, 509721), (1179, 180283), (1251, 169907), (1297, 163881), (3891, 54627), (11673, 18209)]