68732145

素因数分解:

$3^4\times 5^1\times {\mathrm{169709}}^1$

素因数の和:169726

約数の個数: 20

約数和(自身を含む): 123209460

約数和(自身を除く): 54477315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169709, 509127, 848545, 1527381, 2545635, 4582143, 7636905, 13746429, 22910715, 68732145]

約数ペア:

[(1, 68732145), (3, 22910715), (5, 13746429), (9, 7636905), (15, 4582143), (27, 2545635), (45, 1527381), (81, 848545), (135, 509127), (405, 169709)]