51511785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 96526080

約数和(自身を除く): 45014295

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 255, 379, 533, 615, 663, 697, 1105, 1137, 1599, 1895, 2091, 2665, 3315, 3485, 4927, 5685, 6443, 7995, 9061, 10455, 14781, 15539, 19329, 24635, 27183, 32215, 45305, 46617, 73905, 77695, 83759, 96645, 135915, 202007, 233085, 251277, 264163, 418795, 606021, 792489, 1010035, 1256385, 1320815, 3030105, 3434119, 3962445, 10302357, 17170595, 51511785]

約数ペア:

[(1, 51511785), (3, 17170595), (5, 10302357), (13, 3962445), (15, 3434119), (17, 3030105), (39, 1320815), (41, 1256385), (51, 1010035), (65, 792489), (85, 606021), (123, 418795), (195, 264163), (205, 251277), (221, 233085), (255, 202007), (379, 135915), (533, 96645), (615, 83759), (663, 77695), (697, 73905), (1105, 46617), (1137, 45305), (1599, 32215), (1895, 27183), (2091, 24635), (2665, 19329), (3315, 15539), (3485, 14781), (4927, 10455), (5685, 9061), (6443, 7995)]