209804945

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127541}}^1$

素因数の和:127600

約数の個数: 16

約数和(自身を含む): 293856768

約数和(自身を除く): 84051823

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 127541, 637705, 892787, 4463935, 5994427, 29972135, 41960989, 209804945]

約数ペア:

[(1, 209804945), (5, 41960989), (7, 29972135), (35, 5994427), (47, 4463935), (235, 892787), (329, 637705), (1645, 127541)]