77216085

素因数分解:

$3^4\times 5^1\times {\mathrm{190657}}^1$

素因数の和:190674

約数の個数: 20

約数和(自身を含む): 138417708

約数和(自身を除く): 61201623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 190657, 571971, 953285, 1715913, 2859855, 5147739, 8579565, 15443217, 25738695, 77216085]

約数ペア:

[(1, 77216085), (3, 25738695), (5, 15443217), (9, 8579565), (15, 5147739), (27, 2859855), (45, 1715913), (81, 953285), (135, 571971), (405, 190657)]