42874515

素因数分解:

$3^4\times 5^1\times {\mathrm{105863}}^1$

素因数の和:105880

約数の個数: 20

約数和(自身を含む): 76857264

約数和(自身を除く): 33982749

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105863, 317589, 529315, 952767, 1587945, 2858301, 4763835, 8574903, 14291505, 42874515]

約数ペア:

[(1, 42874515), (3, 14291505), (5, 8574903), (9, 4763835), (15, 2858301), (27, 1587945), (45, 952767), (81, 529315), (135, 317589), (405, 105863)]