77781987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1933}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 119474784

約数和(自身を除く): 41692797

約数列:

[1, 3, 9, 17, 51, 153, 263, 789, 1933, 2367, 4471, 5799, 13413, 17397, 32861, 40239, 98583, 295749, 508379, 1525137, 4575411, 8642443, 25927329, 77781987]

約数ペア:

[(1, 77781987), (3, 25927329), (9, 8642443), (17, 4575411), (51, 1525137), (153, 508379), (263, 295749), (789, 98583), (1933, 40239), (2367, 32861), (4471, 17397), (5799, 13413)]