2506789275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{857}}^1\times {\mathrm{907}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 4250573184

約数和(自身を除く): 1743783909

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 857, 907, 1075, 2571, 2721, 3225, 4285, 4535, 12855, 13605, 21425, 22675, 36851, 39001, 64275, 68025, 110553, 117003, 184255, 195005, 552765, 585015, 777299, 921275, 975025, 2331897, 2763825, 2925075, 3886495, 11659485, 19432475, 33423857, 58297425, 100271571, 167119285, 501357855, 835596425, 2506789275]

約数ペア:

[(1, 2506789275), (3, 835596425), (5, 501357855), (15, 167119285), (25, 100271571), (43, 58297425), (75, 33423857), (129, 19432475), (215, 11659485), (645, 3886495), (857, 2925075), (907, 2763825), (1075, 2331897), (2571, 975025), (2721, 921275), (3225, 777299), (4285, 585015), (4535, 552765), (12855, 195005), (13605, 184255), (21425, 117003), (22675, 110553), (36851, 68025), (39001, 64275)]