278316945

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121271}}^1$

素因数の和:121302

約数の個数: 32

約数和(自身を含む): 523895040

約数和(自身を除く): 245578095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 121271, 363813, 606355, 1091439, 1819065, 2061607, 3274317, 5457195, 6184821, 10308035, 16371585, 18554463, 30924105, 55663389, 92772315, 278316945]

約数ペア:

[(1, 278316945), (3, 92772315), (5, 55663389), (9, 30924105), (15, 18554463), (17, 16371585), (27, 10308035), (45, 6184821), (51, 5457195), (85, 3274317), (135, 2061607), (153, 1819065), (255, 1091439), (459, 606355), (765, 363813), (2295, 121271)]