212543135

素因数分解:

$5^1\times 7^2\times {\mathrm{827}}^1\times {\mathrm{1049}}^1$

素因数の和:1895

約数の個数: 24

約数和(自身を含む): 297334800

約数和(自身を除く): 84791665

約数列:

[1, 5, 7, 35, 49, 245, 827, 1049, 4135, 5245, 5789, 7343, 28945, 36715, 40523, 51401, 202615, 257005, 867523, 4337615, 6072661, 30363305, 42508627, 212543135]

約数ペア:

[(1, 212543135), (5, 42508627), (7, 30363305), (35, 6072661), (49, 4337615), (245, 867523), (827, 257005), (1049, 202615), (4135, 51401), (5245, 40523), (5789, 36715), (7343, 28945)]