51215013

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5651}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 79354080

約数和(自身を除く): 28139067

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 3021, 5651, 9063, 16953, 50859, 107369, 299503, 322107, 898509, 966321, 2695527, 5690557, 17071671, 51215013]

約数ペア:

[(1, 51215013), (3, 17071671), (9, 5690557), (19, 2695527), (53, 966321), (57, 898509), (159, 322107), (171, 299503), (477, 107369), (1007, 50859), (3021, 16953), (5651, 9063)]