209509055

素因数分解:

$5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{4943}}^1$

素因数の和:5135

約数の個数: 24

約数和(自身を含む): 294207552

約数和(自身を除く): 84698497

約数列:

[1, 5, 7, 35, 49, 173, 245, 865, 1211, 4943, 6055, 8477, 24715, 34601, 42385, 173005, 242207, 855139, 1211035, 4275695, 5985973, 29929865, 41901811, 209509055]

約数ペア:

[(1, 209509055), (5, 41901811), (7, 29929865), (35, 5985973), (49, 4275695), (173, 1211035), (245, 855139), (865, 242207), (1211, 173005), (4943, 42385), (6055, 34601), (8477, 24715)]