66696615

素因数分解:

$3^4\times 5^1\times {\mathrm{164683}}^1$

素因数の和:164700

約数の個数: 20

約数和(自身を含む): 119560584

約数和(自身を除く): 52863969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 164683, 494049, 823415, 1482147, 2470245, 4446441, 7410735, 13339323, 22232205, 66696615]

約数ペア:

[(1, 66696615), (3, 22232205), (5, 13339323), (9, 7410735), (15, 4446441), (27, 2470245), (45, 1482147), (81, 823415), (135, 494049), (405, 164683)]