80861085

素因数分解:

$3^4\times 5^1\times {\mathrm{199657}}^1$

素因数の和:199674

約数の個数: 20

約数和(自身を含む): 144951708

約数和(自身を除く): 64090623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199657, 598971, 998285, 1796913, 2994855, 5390739, 8984565, 16172217, 26953695, 80861085]

約数ペア:

[(1, 80861085), (3, 26953695), (5, 16172217), (9, 8984565), (15, 5390739), (27, 2994855), (45, 1796913), (81, 998285), (135, 598971), (405, 199657)]