1900681905

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{700067}}^1$

素因数の和:700256

約数の個数: 16

約数和(自身を含む): 3057897024

約数和(自身を除く): 1157215119

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 700067, 2100201, 3500335, 10501005, 126712127, 380136381, 633560635, 1900681905]

約数ペア:

[(1, 1900681905), (3, 633560635), (5, 380136381), (15, 126712127), (181, 10501005), (543, 3500335), (905, 2100201), (2715, 700067)]