51507657

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{9491}}^1$

素因数の和:9570

約数の個数: 20

約数和(自身を含む): 78100176

約数和(自身を除く): 26592519

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 9491, 28473, 85419, 256257, 635897, 768771, 1907691, 5723073, 17169219, 51507657]

約数ペア:

[(1, 51507657), (3, 17169219), (9, 5723073), (27, 1907691), (67, 768771), (81, 635897), (201, 256257), (603, 85419), (1809, 28473), (5427, 9491)]