1426905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 2543112

約数和(自身を除く): 1116207

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 857, 1665, 2571, 4285, 7713, 12855, 31709, 38565, 95127, 158545, 285381, 475635, 1426905]

約数ペア:

[(1, 1426905), (3, 475635), (5, 285381), (9, 158545), (15, 95127), (37, 38565), (45, 31709), (111, 12855), (185, 7713), (333, 4285), (555, 2571), (857, 1665)]