213399765

素因数分解:

$3^4\times 5^1\times {\mathrm{526913}}^1$

素因数の和:526930

約数の個数: 20

約数和(自身を含む): 382539564

約数和(自身を除く): 169139799

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 526913, 1580739, 2634565, 4742217, 7903695, 14226651, 23711085, 42679953, 71133255, 213399765]

約数ペア:

[(1, 213399765), (3, 71133255), (5, 42679953), (9, 23711085), (15, 14226651), (27, 7903695), (45, 4742217), (81, 2634565), (135, 1580739), (405, 526913)]