671085

素因数分解:

$3^4\times 5^1\times {\mathrm{1657}}^1$

素因数の和:1674

約数の個数: 20

約数和(自身を含む): 1203708

約数和(自身を除く): 532623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1657, 4971, 8285, 14913, 24855, 44739, 74565, 134217, 223695, 671085]

約数ペア:

[(1, 671085), (3, 223695), (5, 134217), (9, 74565), (15, 44739), (27, 24855), (45, 14913), (81, 8285), (135, 4971), (405, 1657)]