68724855

素因数分解:

$3^4\times 5^1\times {\mathrm{169691}}^1$

素因数の和:169708

約数の個数: 20

約数和(自身を含む): 123196392

約数和(自身を除く): 54471537

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169691, 509073, 848455, 1527219, 2545365, 4581657, 7636095, 13744971, 22908285, 68724855]

約数ペア:

[(1, 68724855), (3, 22908285), (5, 13744971), (9, 7636095), (15, 4581657), (27, 2545365), (45, 1527219), (81, 848455), (135, 509073), (405, 169691)]