2155497407

素因数分解:

$7^3\times {\mathrm{1511}}^1\times {\mathrm{4159}}^1$

素因数の和:5691

約数の個数: 16

約数和(自身を含む): 2515968000

約数和(自身を除く): 360470593

約数列:

[1, 7, 49, 343, 1511, 4159, 10577, 29113, 74039, 203791, 518273, 1426537, 6284249, 43989743, 307928201, 2155497407]

約数ペア:

[(1, 2155497407), (7, 307928201), (49, 43989743), (343, 6284249), (1511, 1426537), (4159, 518273), (10577, 203791), (29113, 74039)]