207857307

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{75557}}^1$

素因数の和:75698

約数の個数: 16

約数和(自身を含む): 319156992

約数和(自身を除く): 111299685

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 75557, 226671, 528899, 1586697, 9897967, 29693901, 69285769, 207857307]

約数ペア:

[(1, 207857307), (3, 69285769), (7, 29693901), (21, 9897967), (131, 1586697), (393, 528899), (917, 226671), (2751, 75557)]