152640045

素因数分解:

$3^4\times 5^1\times {\mathrm{376889}}^1$

素因数の和:376906

約数の個数: 20

約数和(自身を含む): 273622140

約数和(自身を除く): 120982095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 376889, 1130667, 1884445, 3392001, 5653335, 10176003, 16960005, 30528009, 50880015, 152640045]

約数ペア:

[(1, 152640045), (3, 50880015), (5, 30528009), (9, 16960005), (15, 10176003), (27, 5653335), (45, 3392001), (81, 1884445), (135, 1130667), (405, 376889)]