211728495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67537}}^1$

素因数の和:67575

約数の個数: 32

約数和(自身を含む): 389018880

約数和(自身を除く): 177290385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 67537, 202611, 337685, 742907, 1013055, 1283203, 2228721, 3714535, 3849609, 6416015, 11143605, 14115233, 19248045, 42345699, 70576165, 211728495]

約数ペア:

[(1, 211728495), (3, 70576165), (5, 42345699), (11, 19248045), (15, 14115233), (19, 11143605), (33, 6416015), (55, 3849609), (57, 3714535), (95, 2228721), (165, 1283203), (209, 1013055), (285, 742907), (627, 337685), (1045, 202611), (3135, 67537)]