69747885

素因数分解:

$3^4\times 5^1\times {\mathrm{172217}}^1$

素因数の和:172234

約数の個数: 20

約数和(自身を含む): 125030268

約数和(自身を除く): 55282383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 172217, 516651, 861085, 1549953, 2583255, 4649859, 7749765, 13949577, 23249295, 69747885]

約数ペア:

[(1, 69747885), (3, 23249295), (5, 13949577), (9, 7749765), (15, 4649859), (27, 2583255), (45, 1549953), (81, 861085), (135, 516651), (405, 172217)]