55440045

素因数分解:

$3^4\times 5^1\times {\mathrm{136889}}^1$

素因数の和:136906

約数の個数: 20

約数和(自身を含む): 99382140

約数和(自身を除く): 43942095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 136889, 410667, 684445, 1232001, 2053335, 3696003, 6160005, 11088009, 18480015, 55440045]

約数ペア:

[(1, 55440045), (3, 18480015), (5, 11088009), (9, 6160005), (15, 3696003), (27, 2053335), (45, 1232001), (81, 684445), (135, 410667), (405, 136889)]