206817405

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 335422080

約数和(自身を除く): 128604675

約数列:

[1, 3, 5, 15, 139, 281, 353, 417, 695, 843, 1059, 1405, 1765, 2085, 4215, 5295, 39059, 49067, 99193, 117177, 147201, 195295, 245335, 297579, 495965, 585885, 736005, 1487895, 13787827, 41363481, 68939135, 206817405]

約数ペア:

[(1, 206817405), (3, 68939135), (5, 41363481), (15, 13787827), (139, 1487895), (281, 736005), (353, 585885), (417, 495965), (695, 297579), (843, 245335), (1059, 195295), (1405, 147201), (1765, 117177), (2085, 99193), (4215, 49067), (5295, 39059)]