77887575

素因数分解:

$3^5\times 5^2\times {\mathrm{12821}}^1$

素因数の和:12846

約数の個数: 36

約数和(自身を含む): 144683448

約数和(自身を除く): 66795873

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 12821, 38463, 64105, 115389, 192315, 320525, 346167, 576945, 961575, 1038501, 1730835, 2884725, 3115503, 5192505, 8654175, 15577515, 25962525, 77887575]

約数ペア:

[(1, 77887575), (3, 25962525), (5, 15577515), (9, 8654175), (15, 5192505), (25, 3115503), (27, 2884725), (45, 1730835), (75, 1038501), (81, 961575), (135, 576945), (225, 346167), (243, 320525), (405, 192315), (675, 115389), (1215, 64105), (2025, 38463), (6075, 12821)]