78165

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1$

素因数の和:210

約数の個数: 20

約数和(自身を含む): 140844

約数和(自身を除く): 62679

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 405, 579, 965, 1737, 2895, 5211, 8685, 15633, 26055, 78165]

約数ペア:

[(1, 78165), (3, 26055), (5, 15633), (9, 8685), (15, 5211), (27, 2895), (45, 1737), (81, 965), (135, 579), (193, 405)]