201205815

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{8431}}^1$

素因数の和:8519

約数の個数: 32

約数和(自身を含む): 338359296

約数和(自身を除く): 137153481

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 4773, 7955, 8431, 23865, 25293, 42155, 126465, 311947, 362533, 935841, 1087599, 1559735, 1812665, 4679205, 5437995, 13413721, 40241163, 67068605, 201205815]

約数ペア:

[(1, 201205815), (3, 67068605), (5, 40241163), (15, 13413721), (37, 5437995), (43, 4679205), (111, 1812665), (129, 1559735), (185, 1087599), (215, 935841), (555, 362533), (645, 311947), (1591, 126465), (4773, 42155), (7955, 25293), (8431, 23865)]