506655

素因数分解:

$3^6\times 5^1\times {\mathrm{139}}^1$

素因数の和:162

約数の個数: 28

約数和(自身を含む): 918120

約数和(自身を除く): 411465

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 243, 405, 417, 695, 729, 1215, 1251, 2085, 3645, 3753, 6255, 11259, 18765, 33777, 56295, 101331, 168885, 506655]

約数ペア:

[(1, 506655), (3, 168885), (5, 101331), (9, 56295), (15, 33777), (27, 18765), (45, 11259), (81, 6255), (135, 3753), (139, 3645), (243, 2085), (405, 1251), (417, 1215), (695, 729)]