209219613

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{3931}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 283292736

約数和(自身を除く): 74073123

約数列:

[1, 3, 113, 157, 339, 471, 3931, 11793, 17741, 53223, 444203, 617167, 1332609, 1851501, 69739871, 209219613]

約数ペア:

[(1, 209219613), (3, 69739871), (113, 1851501), (157, 1332609), (339, 617167), (471, 444203), (3931, 53223), (11793, 17741)]