200521321

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{18211}}^1$

素因数の和:18253

約数の個数: 24

約数和(自身を含む): 271285952

約数和(自身を除く): 70764631

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 18211, 127477, 200321, 236743, 1402247, 1657201, 2203531, 2604173, 15424717, 18229211, 28645903, 200521321]

約数ペア:

[(1, 200521321), (7, 28645903), (11, 18229211), (13, 15424717), (77, 2604173), (91, 2203531), (121, 1657201), (143, 1402247), (847, 236743), (1001, 200321), (1573, 127477), (11011, 18211)]