77855985

素因数分解:

$3^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 141261120

約数和(自身を除く): 63405135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 243, 405, 417, 461, 695, 1215, 1251, 1383, 2085, 2305, 3753, 4149, 6255, 6915, 11259, 12447, 18765, 20745, 33777, 37341, 56295, 62235, 64079, 112023, 168885, 186705, 192237, 320395, 560115, 576711, 961185, 1730133, 2883555, 5190399, 8650665, 15571197, 25951995, 77855985]

約数ペア:

[(1, 77855985), (3, 25951995), (5, 15571197), (9, 8650665), (15, 5190399), (27, 2883555), (45, 1730133), (81, 961185), (135, 576711), (139, 560115), (243, 320395), (405, 192237), (417, 186705), (461, 168885), (695, 112023), (1215, 64079), (1251, 62235), (1383, 56295), (2085, 37341), (2305, 33777), (3753, 20745), (4149, 18765), (6255, 12447), (6915, 11259)]